
Behind the scenes of major case investigations.

When Claude Dallas, who poached desert wildlife, killed two game wardens, he evaded the law by living off the land.

The Unabomber eluded the FBI for 18 years until agents received a tip from Ted Kaczynski's brother, David.

A man is convicted of abducting a 5-year-old from a Christmas party based on microscopic evidence found in his vehicle.

When the World Trade Center parking garage explosion resulted in six deaths, the FBI traced the bombers' vehicle to a U-Haul dealership.