The video-aquatic / Officer.com July 2008 Issue

http://www.officer.com/print/Law-Enforcement-Technology/The-video-aquatic/1$42409

"Imagine a crime scene's evidence lay just below, at the bottom of a lake — not the optimal environment for evidence discovery and retrieval. An investigator brings out a submersible remote-operated vehicle (ROV) and sends it into the murky depths, and soon a viewing monitor shows eerie images of drowned victims on the lake bottom."