Tuesday

When a teenaged girl goes missing, no one knows if she ran away or if she was the victim of foul play. Everyone’s worst fears are confirmed when a body is found at the bottom of an isolated ravine. Police scour the crime scene, hoping to find enough evidence to identify the killer.

The bodies of three women were found floating in Tampa Bay. The water washed away any evidence, but police hoped a handwritten note found in the victims’ car would lead to the killer – so they posted huge copies of the note on five highway billboards.

Four young adults are brutally murdered in an affluent Texas neighborhood, and the crime scene yields little evidence. The next door neighbors see two young people dressed in black walking nearby, and their descriptions are used to create composite drawings which become a key element in solving the crime.

A young college student is found dead in her apartment. There are no obvious signs of foul play, but skin cells under her fingernails yield DNA of an unknown male suspect, and petechial hemorrhages in her eyes prove this is a homicide.

In the late ‘70s and early ‘80s, a legitimate Puerto Rican independence movement took hold in the United States. But a splinter terrorist group known as the FALN was suspected of executing hundreds of bombings in major US cities.

In the early 1990’s Philadelphia became the scene of a bloody vendetta. The streets erupted in mob warfare. Authorities feared innocent people would be caught in the crossfire.

Explosives investigations: The crime lab is the place where science meets murder. In new york state, eleanor fowler opened a small package, which as mailed to her home. When she lifted the lid the box exploded killing her instantly. Within minutes, five other bombs exploded proving to be as fatal as the first. The investigation into this serial bombing case became one of the most massive investigations in history.

In a frantic 911 call as he raced his bleeding wife to the hospital, hog farmer Todd Mullis told dispatchers Amy Mullis accidentally fell on a four-pronged corn rake in their barn. But when investigators found more than four holes in Amy’s body, they knew her death was no accident.

When club dancers are confronted by law enforcement, it's not sexy.

A 32-year-old man collapses and dies at his sister's home. The man had been feeling sick for a week prior to his collapse. Dr. G has no medical records to go on, as the man did not go to the doctor, but his external appearance indicates that he was in extremely poor health. Dr. G suspects that the man's self-neglect may have played a role in his death. A 49-year-old father is found dead in his kitchen with multiple stab wounds. The man's teenage son claims that his father stabbed himself to death, but the police suspect that the son was responsible. It's up to Dr. G to determine if the death was a suicide or a homicide.

It takes a long time and a very hot fire to cremate a human body, and thus destroy any evidence of foul play. But the medical examiner who performed the autopsy on the badly burned body of Charles “Jack” Lynch found telltale clues. Not only had the victim been burned, he’d also been stabbed -- 24 times, with two different knives. Police knew that a person, acting alone, would probably use only one weapon. So investigators were on the lookout for a couple of killers.

In the summer of 1996, in the River Park section of South Bend, Indiana, four women had been sexually assaulted and the perpetrator was still at large. After a few months, police arrested a suspect; he was identified by some – but not all -- of the victims, and subsequently convicted of the crimes. But the story doesn’t end there. Six years later, new developments in forensic science would uncover startling facts about the case – and change the lives of three men and the women who were attacked.

A young suburban couple was murdered during what appeared to be a drug deal gone awry. But police found no drugs in the home of the victims – and there were no traces of the victims’ blood on the clothing of the suspects. The victims’ dog, Chief, eventually led police to the killer.

When a 33-year-old woman falls in love with a handsome young doctor, she believes she’s found fairytale romance. She becomes pregnant and the two are engaged. She is alarmed by the severe morning sickness, cramps and nausea she experiences, particularly in light of her age and medical history. Eventually, suspecting her symptoms aren’t as tied to the baby as they are to her fiancé, she decides to conduct her own scientific investigation.

When Joleen Cummings misses a Mother’s Day pickup, her family calls police. Detectives find a blood-soaked workplace, a felon boyfriend and a suspect with shifting identities, using forensic evidence and an old ruse to uncover the truth.

One month after 24 year old single mother, Lorraine Laribo is reported missing, a jogger discovers her body lying in a creek bed. Lt Joe Kenda and his team must uncover the mystery of her death and sort out the guilty party. Was it her boyfriend or her sister’s boyfriend?

Bank robbery is a brazen yet simple crime. A mask, a gun, a note passed to a teller. But bank burglary is different. It takes skill to disable an alarm, to penetrate a locked vault.

Us coastguardsman ricky dale hemphill and companion charla toma set out for a picnic along a river near brookings, oregon in the fall of 1979. A day later ricky is found murdered and charla is missing. A tip from a local hunter leads police to edward delen warren, a former convict in the area trying to set up a religious retreat. What police uncover is a bizarre plot that will soon spiral out of control.

In 1985, the body of an 11 year-old boy is found, days after he disappeared from his father’s Flint, Michigan home. A mother’s tireless pursuit of justice leads investigators to a crucial clue and the devastating truth behind her son’s death.