WFTY-DT

After John Tarwacki Sr. discovers the bodies of his son, John, and his daughter-in-law, Carolyn, police find boot prints in the snow revealing the path their killer took, then the search for a motive leads them down an unexpected path.

A single mom and pizza delivery driver was murdered on a late-night run for Dominos, and police arrested her former boyfriend.

Margaret and Chad Amato are found dead with their son in their Florida Home; middle son Grant Amato is accused of killing his family, despite a seeming lack of evidence.

Arson investigators gather physical evidence and mount undercover operations.

By testing DNA from saliva on a mailing label, investigators were able to track down the World Trade Center bomber.

Murderers with obsessions of love, jealousy or power.

In 1973, Noreen Kumeta Rudd's life is cut tragically short, just 27 days after marrying Donnie Rudd; initially deemed a car accident, this event leads to Donnie collecting a $120,000 life insurance payout.

Police in Abbotsford, B.C. hunt a stalker who has left one teen dead and another barely alive.

Shoplifters get caught by police at Walmart.

In the small community of Gormania, W.Va., Cathy Ford receives a mysterious phone call and is reported missing that same evening; a burnt car, blood-soaked trailer and a secret affair all point to the idea that Cathy did not disappear willingly.

Trina Campbell's killer was found with help from the suspect's sister and brother-in-law after the girl was reported missing in December 1987.

Microscopic pieces of evidence -- a fingerprint or a few fibers -- left at the crime scene can lead to the conviction of such killers as David Middleton and Gregory Kokal.

A kidnapper calls the victim's family.

A young couple about to be first-time parents, a trio of house guests who have long overstayed their welcome, and a hitman who maybe stole a car, or maybe didn't.

A cabdriver develops chest pains and seizures; a hotel manager is found dead on the steps of his apartment.

Las Vegas investigative reporter Jeff German is shot and killed execution style in his own driveway in broad daylight in a murder that shock the town; security camera footage show a mysterious person in a big hat running away.

A mother of three goes missing the day before Mother's Day, and there is no shortage of suspects.

Investigators uncover a bizarre web of lies involving a conman posing as a doctor, Lisa Henning obsessed with reptilian conspiracies-leading to one of New Mexico's strangest and most chilling murder cases.

When an affluent couple is brutally murdered, a seemingly random home invasion unravels into a sinister plot of greed, deception, and with Kara Lounsbury shockingly close to the family circle.

Prominent Houston orthodontist Clara Harris appears to have the perfect life until jealousy and heartbreak explode into violence. In a case that captivates America.

Victoria survives a horrific crash, wins a large settlement and then dies after an explosion.

Nicole VanderHeyden is found shot to death in a Wisconsin farm field; police immediately arrest her live-in boyfriend, who waited 18 hours to report her missing and has a history of domestic violence.

The seven-month rampage of Allan Legre, who brutalized the town of Miramichi.

A businessman comes home to find his wife brutally murdered; investigators close in on a remorseless killer.

When single mother Rosita accepts a stranger's friend request, she has no idea he's hiding a terrifying secret that will lead to a deadly game of cat and mouse.