K-9 Officer's Emotional Discovery

Witness 3 of the most cold-blooded confessions from Interrogation Raw.

Det. Chase Calhoun visits a gun range to test whether or not the victim's injuries could be the result of her shooting herself.

Authorities question a woman who traveled with a serial killer about whether she was a victim or an accomplice.

Former narcotics officer Kevin Simmers fought the "war on drugs" until tragedy struck close to home.