Forensic Files, Deadly Knowledge

S5 E1 • 22m • HDTV14

A cigarette butt may provide the evidence needed to catch a serial rapist.

S5 E2 • 22m • HDTV14

New evidence points to a different killer in the case of a dentist's murdered wife.

S5 E3 • 22m • HDTV14

Insects and a strand of hair unravel the truth behind the murder of a woman and her infant son.

S5 E4 • 22m • HDTV14

A decomposed body is found in a barrel, and a dilapidated address book may hold the answer.

S5 E5 • 22m • HDTV14

When a policeman's home burns to the ground, he arrests a man who confesses to arson.

S5 E7 • 22m • HDTV14

A mother and her two young daughters are found brutally murdered and sexually violated.

S5 E8 • 22m • HDTV14

A young girl is found dead, the victim of an apparent sex killer.

S5 E9 • 22m • HDTV14

Medical detectives believe a murder suspect may not have killed his wife after all.

S5 E10 • 22m • HDTV14

Children die at an alarming rate at a Texas hospital, and one nurse may be involved.

S5 E11 • 22m • HDTV14

When the decomposed body of a young girl is discovered, police have no clues to her identity.

S5 E12 • 22m • HDTV14

Investigators use the recollections of a child to determine what happened to a missing woman.

S5 E13 • 22m • HDTV14

A postcard incriminates a high religious figure with crimes committed during World War II.

S5 E14 • 22m • HDTV14

When a young woman disappears, investigators discover that she led a double life.

S5 E15 • 22m • HDTV14

Investigators look into the death of a teacher and discover that his death was not an accident.

S5 E16 • 22m • HDTV14

The only obvious clues to a dead man's identity are a Rolex watch and a tattoo.

S5 E17 • 22m • HDTV14

When a heart surgeon is found dead, investigators uncover his new wife's history of violence.

S5 E18 • 22m • HDTV14

A prosecutor helps make video testimony viable in the case of a child's death due to drunk driving.

S5 E19 • 22m • HDTV14

A convenience store security camera captures footage of an employees's murder.