Exhibit A: Secrets of Forensic Science

A firearms expert uses forensic science to try to solve a matron's murder.

Handwriting experts try to identify a killer.

A student finds a stranger dead in her bathtub.

A splinter of wood holds clues about a double homicide.

Efforts of a forensic biologist to stop a man from infecting his lovers with AIDS.

A shoe print leads a forensic identification officer to a suspect in a robbery.

A forensic toxicologist helps pinpoint the suspect who is sexually assaulting unconscious women.

Man claims he was sleepwalking when he killed his mother-in-law.

A forensic pathologist and DNA expert solve a mystery when a leg bone washes up on a shore.

Researchers investigate possible forgeries.

DNA profiling helps solve the murder of a vivacious teenager.

Just as a woman is about to be cremated after a traffic fatality, a blood spatter analysis is needed to determine if it really was an accident.

A criminal profiler helps explain the murder of a Montreal coed.