Joe Dziemianowicz

Here's what to know about the six women who tied the knot with Thomas Randolph, the man at the center of "Dateline Presents: The Widower."

Harold Vigil appeared to have died from natural causes in 2016, but his cremation showed that he’d been shot. Who pulled the trigger is still a mystery.

When sheriffs found Jchandra Brown hanging from a noose, they believed it was a suicide. It was more complicated -- and disturbing.

A serial killer nicknamed The Cleveland Strangler turned his home into a grisly house of horrors. Two survivors helped end his homicide spree.

 Convicted serial killer Anthony Sowell was sentenced to death a decade ago for the murders of 11 women in Ohio.

Who fatally stabbed a beloved 91-year-old grandmother in 1998? "Cold Justice" helps turn up a possible answer.

Before kidnapping Colleen Stan, did her abductors snatch another young woman in broad daylight? It’s a 25-year-old mystery.

Steven Felts, a hard-working Texas family man, was shot to death in his own home in 1996. His murder remains unsolved.

When a foul smell permeated a Cleveland neighborhood, people blamed a longstanding local business, Ray's Sausage. They were wrong.

Jerry Humphrey was shot in the back of the head three times as he slept in 2003. Who pulled the trigger?