Watch Forensic Files online: Episode 20 In the Bag

After shooting his victims in the head, the killer staged the scene, placed the incriminating evidence into a plastic bag and tossed it into the river. Instead of floating downstream, it became entangled in overhanging branches. Days later, when police found it, they hoped clues to the killer's identity and the solution to the crime were "in the bag." TV-14 V

click here to see where to watch or .