A boat ride leads to death; a mail order bride is found dead after threatening to leave her husband.

Police thaw a frozen body with a hair dryer and solve the case; when a child's body is found in a Chicago garden, authorities track down a strange family.

A scientist's murder is solved using the technology she was developing at the time of her death; criminal profiling helps to nab a child-rapist.

A forensic anthropologist painstakingly pieces 97 bone fragments back together to solve a woman's murder.

A serial killer keeps law enforcement working on his cases for over 20 years.

Divers find a skeleton in a car at the bottom of a river; a dead dog's DNA helps to crack open a case.

Woman's body hidden in a refrigerator; murder of a deputy sheriff.

A killer of four goes free until a detective finds key evidence on a coffee cup.

Rapes plague the Linden area of Columbus, Ohio; a hitchhiker's corpse is found in the California redwoods.

A determined cop solves the murder of a prostitute; investigators solve the murder of a socialite.

An arson investigator is suspected of setting fires; a man rapes, kills and robs his neighbor.

A Florida man vanishes; crash victim is found to have been shot.

Alligators help to solve a murder investigation; Phoenix police solve a 20-year-old homicide.

A Missouri woman is convicted of killing her stepdaughter; a skeleton leads police to a serial killer.

DNA tests identify a murder victim in Canada; detectives trace a gun to a killer.

Englishwoman shot; fingerprint matches prisoner; DNA databank helps catch stalker.

A 3-year-old boy provides police with evidence in a murder case; a murdered housewife is buried in her own cellar.

Death of actor Bob Crane; fingerprint matching; police solve the murder of a missing young woman; DNA and an Illinois rape case.