Take a look behind the scenes of the Federal Bureau of Investigation's crime laboratory.
Re-examines the 1996 investigation into the abduction of a 17-year-old boy from a shop near his home, followed by ransom demands for $30,000. S6, Ep3
The violent activities of gang members from the 'K Street Crew' are investigated by the Safe Streets Task Force. S6, Ep5
Re-examines the investigation into a US bank heist of 1997, in which two armed men opened fire on staff and police officers at close range without mercy. S6, Ep1
New Jersey state trooper Phillip Lamanco is shot dead on duty. Detectives try to find his killers. Is there a link to a terrorist future plot? S6, Ep4
The FBI is called after a vault door refuses to open as it has been blasted into from the ceiling and over $2 million in valuables is gone. S6, Ep7
Two gunmen rob a Seattle bank. One of the gunmen is killed in a firefight with police, while the other escapes after assaulting a family. Can he be caught? S6, Ep6
A series of bank robberies in Texas leave authorities baffled. When similar heists begin the next year in California, FBI agents link the crimes. S6, Ep12
Two masked robbers armed with semi-automatic weapons robbed armoured car couriers of $350,000 in the MGM Grand Hotel and Casino in Las Vegas. S6, Ep13
In 1997 two burglars broke into a home and shot at a police officer. One year later clues to the location of the suspects are revealed. S6, Ep14
The bureau investigates the activities of a Croatian terrorist group who gunned down some of their opponents and eliminated others with parcel bombs. S6, Ep16
In the late 1970s, the FBI had knowledge of anti-Castro terrorists operating in the US. Then, a new group appeared, more violent than their predecessors. S7, Ep1