Joe Dziemianowicz

The tally for arrests following “Cold Justice” investigations keeps growing. 

Tyvon Whitford, a pregnant Florida mom, was shot to death. Who killed her?

A serial killer, Edward Wayne Edwards, left behind a trail of death, forcing family to reckon with his gruesome crimes.

Before “911 Crisis Center” returns to Oxygen, check out the many movies and TV series about the dramatic world of emergency dispatchers.

 After a retired doctor, Dr. Esfandiar “Steven” Kadivar, was murdered on his California ranch, investigators discovered there were multiple people involved in the grisly shooting.

Canadian serial killer Elizabeth Wettlaufer’s murders ended after she confessed to a childhood friend.

After John Parker was shot to death, investigators discovered multiple alleged murder plots — both involving his teenaged stepchildren.

A woman who believes her brother, Shawn Grate, belongs on death row reckons with what turned him into a serial killer.

Serial killer Kenneth Bianchi claimed he had multiple personalities, but was it actually true, or was he putting on an act to evade punishment for his crimes? 

The infamous Hillside Strangler murders in ‘70s Los Angeles shone a spotlight on hypnosis.