
Take a look behind the scenes of the Federal Bureau of Investigation's crime laboratory.

FBI agents track masked bandits during a violent four-year crime spree.

A massive media campaign becomes the FBI's best chance of flushing out a serial killer.

When an 8-year-old girl disappears from her Tucson, Ariz., neighborhood, a drifter on parole for child molestation becomes the primary suspect.

When a captain fails to report to work, her colleagues become worried, and FBI agents find a red stain outside her home which later disappears.