Kay Baker, a school teacher and mom, was found lying in her neighbor's yard bleeding to death. Soon after discovering her body, police spotted a wounded man on the run in the woods, leading to a suspenseful chase, arrest, and a possible suspect.

Eagle Scout Alexander Jackson called 911 to report that a mysterious intruder killed his parents and sister, and shot him in the leg. As detectives interviewed Alexander in the hospital, they began to suspect he wasn't telling the whole truth.

Police officer Brian Fanion frantically called 911 for an ambulance, saying his wife Amy had shot herself and lay dying. But when his fellow officers arrived at the house, the crime scene posed more questions than answers.

Outwardly, Mark Jensen seemed to be a mild mannered, loving husband grieving over the suicide death of his wife. But when police found traces of antifreeze in her autopsy, they started to question what was really going on at home.

Andreen Mcdonald and her husband had a beautiful home and a successful business they built together. But when Andreen went missing, detectives uncovered her husband's secret love affair and realized this was much more than a missing persons case.

When Jade Janks discovered her beloved stepfather, Thomas Merriman, had secretly downloaded nude photos of her onto his computer, she set out to put an end to the abuse.

Attorney Richard Merritt had a last home-cooked meal with his mother before he was set to report to jail for embezzlement. When he didn't show, investigators found his mother dead in the living room.

Prominent attorney James Ray lived in an upscale home with his girlfriend Angela Bledsoe, a successful businesswoman. But when Angela didn't show up at the office, police found her dead on the kitchen floor.

When Becky Bliefnick failed to pick up her boys from school, a family member went to check and found her dead in the living room. Detectives found a major clue in an unlikely place—on an episode of the game show "Family Feud."

When Sadie Beacham didn't receive a good night call from her boyfriend, she went to his house to find his screen door wide open. Detectives couldn't locate his body, but DNA evidence pointed to someone Sadie knew well.

A middle-aged couple were on a routine morning stroll with their dog when a man surprised them, injuring the wife and fatally shooting the husband. What was behind the mystery attack?

It seemed like a horrible teenage tragedy when a car carrying three friends careened into a brick wall at nearly 100 miles an hour, killing two of them. After a lengthy investigation, police charged the young driver MacKenzie Shirilla with murder.