BlogoWogo - The Blog Network | Dog Scent Lineup Gets Wrong Guy, Junk Science?

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Outtake:

In Texas, police used a dog scent lineup to get the perp in a murder case. The dogs got it wrong.

According to the dogs, the perp was one of the cops. He was under suspicion for five months. Then, DNA revealed the real murderer who pleaded guilty.

The Innocence Project of Texas calls the practice "junk science that's being used by prosecutors and judges to convict people." The nonprofit group... wants state governments to ban the use of dog-scent lineups. It says an unknown number of people have been wrongly accused or convicted from the dog-scent lineups.

[More...] How the lineup works:

Dog-scent lineups are similar to visual lineups; but instead of a witness picking a suspect from a group of people, bloodhounds walk along a line of tin cans containing individual scents from possible suspects.
Investigators get the scents from rubbing a gauze pad on someone's body or clothes, and that gauze pad is then placed in a tin can. The dog handler gives the bloodhound the scent they're looking for, and then the handler and animal walk...