|
|
Cadaver Dogs (23 replies)
|
|
I've been following the story in Florida on the missing little girl who's wacked out mother never reported her "missing" for a month and today the officer with the cadaver dog spoke at the bond hearing discussing that the dog "hit" on the trunk of the mother's car that also had dirt inside. Another officer testified that the reason he called the dog was because when they located the abandoned car in a parking lot it had a very strong distinctive odor of decomposition.
The grandmother who also seems like a real crack pot insists that the dog was wrong, "confussed" that the odor was not decomposition but in fact an old pizza that was left inside the car in 95 degree weather for several weeks.
Now as ridiculous as that sounds to me I'm just curious if it's at all possible a cadaver dog can be "confussed" or wrong when searching for human remains? How accurate are they? Are they more precise than an officer following up on leads?
I'd be very interested in learning how to train a dog for this type of work. What type of dog is suitable to be trained for this, how old do they start them at and does anyone have any experience in this type of training? |
|
|
|
|
naw......i'd believe the dog. i'm going to venture a bet that they will collect dna from the trunk of the car belonging to the missing girl. i'm also betting there's drugs involved and possibly other criminal charges. poor kid! that is just horrible.
pjp |
|
|
|
|
If the Media can be believed in this situation, hair, believed to be that of the missing girl was found in the truck. The dog most likely would not have hit on the hair strands, so there would need to be additional "dna".
I'd trust the dog. |
|
|
|
|
Dogs can and do make mistakes and false alerts - a point of training and training records is to demonstrate an acceptale level of reliability.
Most expectations are the dog will appropriately alert at least 90% of the time when working an area with cadaver scent and alert inappropriately no more than 5% of the time.
That is at least what SWGDOG proposes in their Draft Cadaver Standard [actually the say 85% in the draft standard for the alert rate but the NAPWDA test requires 92%]
If they used the dog to gain access to the trunk to collect evidence then a defense attorney will be trying to discredit the work of the dog and handler. Agree on the hair - the fact that it was found in the trunk - the dog probably hit on fluids that had soaked into the carpeting in the trunk.
To train a dog for this:
It is like training most any other detector dog - you really need a very high drive dog because you do a lot of "negative" searching where the dog may work for hours without a *find*.
***You need to spend a lot of time learning about search strategy and the law
***You want to avoid situations where you are used to establish "probable cause" - [obviously in a case like a vehcile, you would be used this way] and ensure law enforcment has access to the area they are asking you to search.
***You need to obtain and maintain national certifications because there is a real good chance you will wind up in court.
***You need to be real good at recordkeeping because training records are used by attornerys.
***Figure on spending a minimum of 4 hours a week after the dog is certified and deemed operational.
***You should probably either be affiliated with a team or be a reserve officer with LE. Most teams carry liability insurance on the k9s.
I have certified one dog in this [NAPWDA] and he is operational and has been on a number of searches [and I went on a number of cadaver searches without him before he was operational] but there is still so much to learn. |
|
|
|
|
Nancy- What is the ideal age to start a dog for this type of work? Is it best to start a pup or one that is a little more mature? |
|
|
|
|
That was my question too?? When can we start training the dog..Is there things we should do before beginning of training? When the dog is still young.. |
|
|
|
|
18 mos to 2 is fine. If you have a puppy you can start even when they are very young but I have not trained a puppy for cadaver so I have no experience there.
I started my current dog at 2 [when I got him] because my dog before him [now a pet] wound up developing HD. She was doing trailing though, not cadaver. Most police departments start with a young green dog known to have no health issues and good x-rays hips, elbows, back] and I understand why. I will probably go that way from here on out . Grim is my third dog and the first one to certify. Toby washed out due to weak nerves and Cyra due to her hips. I did not want to risk having another dog 'wash out' third time around.
Figure 1-2 years of training - then a lifetime of it. You really need someone to help if you have not done detection work. Someone who has worked a passive alert dog. I have been repeatedly told it is more like working a bomb dog than a narc dog due to prolonged periods of searching and because most searching does not result in a find. [So you need to know you dog wil work for several hours]. If you don't have a team nearby and LE is willing to work with you, then a combination of training with a detection dog handler and going to cadaver semiars should help.
If I had a puppy I would start with them - you need to get with someone who has hands-on experience in regards to the how to. The cadaver dog handbook is good but I know some of the methods of early trainig have evolved since then away from starting with the blocks, and going to more active approaches [e.g., throwing materials in PVC tubes, tennis balls]. I have no experience starting a young puppy.
It is a real worthwhile investment of time to make sure your dog is confident under all kinds of circumstances and can climb on anything, crawl through anything, etc. Don't overlook the social graces with people and other dogs, you can work a dog aggressive dog that is under control but it is a LOT easier to work with a dog who is aloof but has no issues around other dogs. Make sure the dog is fine around livestock and fowl and game (ignores them), is comfortable in the woods and in buidlings, etc. - nothing should spook them. You don't need strict formal obedience but the dog has to be under your control with a good recall. Make sure the dog is comfortable loading into strange vehiclles with strangers and strange dogs. Basically you want a dog where when work starts, the concerns of the world disappear. Do drive building [but the way I understand - drive is genetic, you can bring it out but you can't put it in]. Get some peices of PVC pipe - 1.5 inch is fine, get your dog ok with retrieving that.
Need to be honest with yourself about drives. Some people can and have trained dogs who are food motivated but it is 50 times easier to train a ball motivated dog because the dog needs to be rewarded at source and it is pretty easy to throw a ball there. If you have a food dog and go to seminars, your dog will always work last because people don't want food contaminating their problems.
When we got my current dog, one of the many selection tests the officer who helped me evaluate him did was to throw a metal pipe for the dog to retrieve. He wanted to see the dogs desire to chase and retrieve the object was higher than the dog's natural distaste for metal. You also need to consider that the dog will be working in some pretty nasty places - since we started doing this I have been in some real rough neighborhoods [always with the police, but it sure makes me respect what they have to go through on a daily basis]
Need to work with folks who have legal access to training materials. You really can't do this well with things like hair and pseudoscent. That can be a real challenge. We face a continual challenge of being able to access larg |
|
|
|
|
it cut off
We have a problem being able to access large scent sources because when a body is found the first thing that happens [understandably] is the area is secured until the forensics team is done and the body is removed. And there are threshold issues to overcome with a dog trained only on small scent sources. |
|
|
|
|
Nancy
I train for SAR, This is just a question, Can a Certified SAR dog be retrained to work as a Cadaver Dog? |
|
|
|
|
Yes, a lot of folks have dual trained dogs.
Our team, after realizing just what was involved in having a dog trained for water, shallow graves, disarticulated etc. decided that our "cadaver" dogs would be single purpose and that all the other dogs would have exposure to cadaver scent and some minimal level of training in the event the missing person, presumed alive, had recently passed away.
There is no confusion - my dog knows to ingnore any and all living people under any circumstance. |
|
|
|
|
it doesnt take a true k9 experienced trainer even 1 yr to get a cadaver dog to do his work.... can hardly imagine the price tag on that dog. maybe a volunteer, ok, but where are you going to get the cadaver smell from for training? surprisingly i found that on the net one day, yuk.
dogs dont develop HD, they are born with it. Anything after that is due to injury or erosion (age) and most times mis interpreted by our vets
all the best, its a very much needed training, but test the pup, as some dogs will not like that smell. |
|
|
|
|
I worked for years with a trainer who trained and certified narcotics and explosive dogs. You can start training them as pups with excellent results as they quickly get imprinted on the scents you use.
This training while it sounds simple and easy , it is very easy to screw up a dog and takes alot of careful work and documentation to do correctly or you will have a dog hitting on food etc..
|
|
|
|
|
The 1- 2year statement I made was for someone training their first dog and not going through the same intensive training full time LE do. I realize you can go through this much more quickly if you have experience. Getting certified and being an experienced operational dog are two different things. There is no way in traing you can simulate some of the types of problems you will encounter.
I don't know what the heck you can find on the internet that is not bones or pseudo.
True about gentics and HD, but most don't know until the dog is a bit older that they have it, else we would be not waiting for 2 year to OFA our dogs. |
|
|
|
|
Nancy, we dig parts of the burn and place it in stockings which are stored in large tubes. Here though, the burns are really "intense" because of the heat so they have a lot of scent. The local hospital is also kind enough to supply us with an occasional placenta. They have begun keeping the placentas for poss. blood transfusions for the infant. But that is only for six months. Both work well for us.
We have found that the synthetic scent is useless once the dog makes a real find. Just not interested anymore so these are our most used scents. |
|
|
|
|
Nancy totally covered all the important stuff here- but Agar - did the article say who the handler or team was and what their certification background was?
Probable cause searches suck in general for that reason. But - there should be some forensic evidence left if the suggestion is that the girl decomposed in the trunk. We have worked blood droplet cases - but there are blood droplets that the dogs find, therefore, you have proof the dog was right.
Do they think the girl decomposed in the trunk? I know dogs can work residual scent (meaning a scent source was in a place and then removed) but I would be really surprised to see a dog trained to a level that a body could be in a trunk for a very short time right after death (not beginning to decompose yet) and the dog, a month later with the degrading sun, be able to hit the residual scent. I am not even sure that can be done (or you could ever reach a level of proficiency making it worthwhile).
If the girl decomposed in the trunk - I would think they could get decomp fluid. Particularly if the smell was what caused a dog to get called.
I hate dumbass people who kill children.
Incidentally - we would not use a cross trained dog for something like this. Our cross trained dogs are mainly live, with the idea that they know about cadaver if the person expired. Our cadaver dogs are single purpose.
Kerschberger - my group is all volunteers and we have brain, fresh bone, tissue, blood and all kinds of these available to train on. It just takes years of developing relationships. We don't use pseudo all.
Shannon B
|
|
|
|
|
We do have some placenta [a godsend from another team because I could not even get my grandkids' placenta with my daughter's consent in my state, even though there are no laws against having it - I probably could have taken it if we told them we wanted to do some weird religious ritual with it ] and we use it sparingly [trying to work as much as possible with the broad spectrum] but it is great because it is a relatively large source
I think it is really important to train on the whole spectrum of scent - not just a few items that are easy to get. I say this because I have met people who train exclusively on hair and teeth and that may train you to find a beauty shop or a dentists office but......... You also have to be excrutiatingly careful that no human can unintentionally come in contact with your training aid and realize that even a screened product has a small chance of being infectious. Whenever I go out I make a fresh 10% bleach solution and spray down my containers before I put them back in my transport box.
We very much try to avoid probable cause stuff, but I know folks who have been dragged into court where they had permission to search before hand. I have learned defense attorneys are another creature.
I have my training logs set up on Excel so it can automatically update my stats each time I train. I have tried sharing it before but it is not at all user-friendly for someone who is not proficient with Excel and Pivot tables. At any point in time I can give you my reliablity stats. |
|
|
|
|
auntievenom- I'm not sure who did the search with the cadaver dogs, they gave the name of the officer from the sheriff's dept. but I can't remember now who it was. There were 2 different dogs used from 2 different counties. Initially they dug up an area near the little girls playhouse in the grandparents yard, the dogs both hit on that same area. Then the search led to the mother's abandoned car and those same 2 dogs hit on the trunk of the car that also had a "stain" picked up under the black light, some strands of hair believed to be the same color and length of the little girls, some dirt in the trunk and a very foul odor that investigator's are adament was decomoposition. Their theory which makes perfect sense to me is that the body decompossed at the location of the house and then that body was moved to the trunk of the car to be dispossed of somewhere else.
The grandfather of the missing little girl is a retired sheriff and the grandmother is a nurse. With both their given backgrounds one would think they'd know the smell of human decomposition??? However the grandmother's explaination for the foul smell is that BOTH dogs are "confussed", they are wrong because the smell was from a pizza that was left inside the car for 15 days before it was removed and that is what the odor is not a human dead body.
Personally my thought is the grandparents are trying to help cover up for their daughter because that's the most ridiculous thing I've ever heard that the cadaver dog was "confussed with a rotted pizza" lol I think at this point officers should just turn their focus on this being a "recovery" rather than a "return". Hopefully more search crews will volunteer to bring more dogs and start searching other locations that they feel the mother may have buried the body. I put my faith on the dogs telling what REALLY happend to this child.
I have a REAL problem with stories like this. People doing horrible things to innocent little kids. How could you hurt a precious child let alone kill your own baby??? It's beyond psychotic IMO. |
|
|
|
|
The atrocities people can do amaze and sicken me.
I have to remember when we go out, the goal is either to bring some level of closure to a grieving family or justice to a criminal. You have to think that way and not get overwhelemed by the overwhelming sadness of the whole situation. Then go home and hug and kiss your own. If I think about it all, I just start getting choked up.
I sure hope they find her. Sounds like they have a good start but gators and pigs in swampy areas [ a lot of that in Fla] could really make it tough. I imagine they can match the dirt in the play area to the dirt in the trunck and find traces of human material in the dirt.
Dirt with decomp in it is some of the stinkiest, raunchiest stuff out there. [Another one of those "broad spectrum" of training aids, and failry easy to come by after forensics is finished with an area where a human has died and decomposed - always have a shovel and some 2 gallon plastic bags in the truck.............] |
|
|
|
|
We frequently do that - call in a separate dog with separate training/ certs/ etc if for no other reason than piece of mind that the dog that is being worked isn't the ONLY reason the cops fixate on something.
If they had alerts from dogs trained with different methods in different counties - I'd probably believe the dogs.
I finally found the articles (I haven't been looking THAT hard, admittedly) and yeah - it doesn't look great for this poor little girl.
Nancy- your post cracks me up - I have been on the phone with a team mate, while I am looking around an area that has been released trying to figure out where the body was, hiking around with a shovel, creeping myself out.... we do really weird stuff in the name of helping people. |
|
|
|
|
The concept of calling in more than one dog can be hard to explain to some law enforcment use to using drug dogs for probable cause. Best we can do is explain that drugs have a few simple target odors easy to train on and off but human decomposition has a very broad range with over 400 compounds composing part of the scent picture [Arpad Vass - research studies ]. Then you have overlapping scent pictures of animal decomposition which are similar so it can get very complex.
I think most folks use a two dog [or more] approach for cadaver because of the differences in each dog and the materials to which they have been exposed in training. There are so many possible combinations.....yes two dogs from two different locations gives a higher degree of assurance.
|
|
|
|
|
This is a very interesting post and thanks for putting it here. Good to know how these dogs really work. Articles just dont tell the whole view but from you ladies , its a good explanation. |
|
|
|
|
Here is a link from Nancy Grace describing how HRD dogs work:
http://www.cnn.com/video/#/video/crime/2008/07/23/ng.cadaver.dog.cnn
Obviously the dogs usually don't find the source that quickly - but I am guessing Tracy did some drills with the dog before hand. Watching a cadaver dog work is like watching paint dry if you aren't into that type of thing :)
Shannon |
|
|
|
|
That's my Cinco aus dem Traumblick... I donated him to Tracy when she lost her Logan 3 years ago.. a woman lost control of her car and hit him while they were searching I believe, he was killed instantly. I found out she was looking and called her about Cinco who was 4 months old at the time (and crytporchid).. a little young she thought but he tested very well (of course, I knew he was brilliant at 7 weeks!) and then she brought out cadaver scent and he had a normal immediate reaction (AAAAGH! OMG WHAT IS THAT?) and then within minutes he was playing with the container.....
Not all dogs do that though... I recently placed my Jabina Falco son and gave Tracy first shot at him, since his sister is doing very well.. he wanted nothing to do with any part of that.. not food, not any toy, nothing.. just not his thing
I know of all his certifications and accomplishments and still thought the CNN interview wasn't so much... cool dog, though even if I do say so myself. It's rewarding to know he is so valuable to the real world... |
|
|
You need to be a registered user to post messages
Login
-
Register
Classified: Great Show Line For Sale in USA
|
|
|
|
|