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Here's the other thing. Never assume. Anything. Unless a camera backs it up, do not assume Jenna was the one using the debit card. Or was even at those gas stations. It could all be laid down as smoke and mirrors. I love the neutral worded posts of Bit of Hope as a nice outline of...

I was asked to offer some suggestions and I've been trying to read through it but it's just soooo long and a lot of folks are repeating the same thing again and again. I'm not going to point fingers or attach any relevance to anything but I will tell you that folks can and do hide things...

I'm reading from the beginning of the thread so bear with me. Detectives can be pretty closed-mouth at times when they are developing or researching leads simply because people are looking for answers and sometime interfere with an investigation. Just on the first page of this thread is a...

It matters. It gives information. Where you find it, how much of it is there, splatter pattern, evidence of clean-up, etc. However, just because you have blood loss does not mean a death occurs. So you have to take what you find and put it into context.

Here's the crux, if you are using non-scent specific tracking dogs (which is almost every LE tracking K9) then probably not. However if you are using scent specific trailing dogs (which follow the odor of a target person and not the ground disturbance of where they walked) then YES. It is a...

Sorry to hijack the thread but wanted to get Gord's question from another thread answered about whether cadaver dogs will alert on dried blood. The answer is yes. Even old, dried blood that is not visable to the naked eye. They will also alert on areas where the blood has been cleaned up. If...

The dogs were used in the apartment and on the vehicle. As far as the hiding place..... You would be surprised, at times, how close you have to actually stand next to a body to smell it. I've handed pieces to people who either described "no odor" or an odor that you would not associate to...

Nope, never said 100%. But you have to go back to the original question Originally Posted by Inana View Post "These dogs, which had already been used on multiple occasions by the Scotland Yard and by the FBI with positive results, are only evidence collection means and do not serve as...

Federal Rules of Evidence http://www.law.cornell.edu/rules/fre please feel free to browse around. And learn just what is considered evidence and how it gets included - or excluded - from a court case. And if you locate the Rule where it says lack of laboratory results invalidate a...

Sorry but you have spoken negatively and I don't believe you fully understand the rules of evidence. If the dog alerts you try to validate through laboratory testing but even if the lab cannot it doesn't invalidate the alert or mean the odor isn't present. It just means the lab couldn't find...

Can't speak for Europe but in the U.S. it is common to rotate old or cold cases through other detectives. For instance when a new detective gets assigned to the bureau, frequently they are handed an old or cold case to investigate. It gets a fresh mind and new outlook going through the...

This is not entirely accurate. Without going to deep, the dog's alert is just that - an alert. It is something the dog uses to communicate to it's handler that it has located the odor it has been trained to find. Hopefully, this will be confirmed through laboratory testing but lack does not...

you mention the police station but this is a small town and that station probably isn't manned all the time. And then probably by a very small force. Probably out driving around more than sitting in a bldg. Does anyone know the line of sights from this building? How often is there...

I also just stopped by to see how things are going. Lindsey, hope this finds you well and may this be the year to find you home.

Dogs (as will most animals) will naturally gravitate toward dead stuff. A lot of finds are the result of a pet dog dragging home a human body part/bone. The only thing we "train" them for is to ignore other dead things and to tell us when they detect the odor of human decomp. The only dead...

And that's not necessarily valid either. Ever hear of "Photo Shop"?

It all depends on how long the twins' hair is maintained. If very short, then 5 months is enough time to allow the hair to grow out and then a haircut would remove that drug residue. The drug only shows up in the hair while the subject is given that substance. Stop the substance and new...

Just something to think about. Coconut shells are wood and wood is porous and will absorb odors. The shell does not have been in direct contact but leave it in the presence of HR odor and it will absorb that odor. The dogs are trained to alert on the strongest concentration of odor (otherwise...

Yes, he is deceased

this probably belongs more on the cadaver thread but a recent paper by Cablk studied the VOC (volatile organic compounds) produced by cow, chicken, pig, and humans. It was determined that pig VOCs were not found to be a subset of humans sharing in common only 7 of the 30 known human-specific...