Joe Dziemianowicz

Being pen pals with prison inmates, a detective said, put the victim “in the path of a potential predator."

The revelation of a secret affair -- and a best friend's betrayal -- cracked the double homicide case wide open.

The search for a missing man leads investigators to a deadly con, an international manhunt and a grim discovery in the desert.

Detectives believed drugs at the murder scene had been planted there to throw off the investigation.

Rumors about Jerry Johnson and a missing woman led to one man committing a violent crime.

The search for missing man Charles Parker turns into a homicide case when his decomposing body is found at the bottom of a well. 

After years of searching by investigators, the killer's son gave them the clue that cracked the case open.

For masterminding the brutal slaying of her husband, Kelly Gissendaner became the first woman executed in Georgia in 70 years. 

A sheriff investigating the murder of a 19-year-old woman he'd worked with called it "the worst case of mutilation" he'd ever seen.

A "butt dial" leads Atlanta investigators to two men who murdered a young couple whose unborn baby miraculously survived.