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

A nationwide FBI manhunt for a sniper who targets African-American men, leaving no clues or witnesses.

The FBI searches for a man who sneaks up on police officers in patrol cars and opens fire.

A sniper targets black men.

When a 14-year-old runaway is found dead in an Illinois barn, agents track down a trucker who might be responsible for her death and dozens more.