|USA||2014||60||Crime . Documentary|
Contained within dusty storage drawers and dented metal cabinets of police stations everywhere, is a library of binders comprising detailed information about gruesome crimes. They may look like ordinary notebooks and folders, but each of them holds the plea of their victim waiting for the day that someone will finally catch their killer on Investigation Discovery's "Murder Book".
|Episode Title:||In the Line of Duty|
|Airs:||2015-01-06 at 21:00 PM|