Joe Dziemianowicz

Sharon Nelson had three husbands — but she had two of them killed, as seen in the new Oxygen series "Black Widow Murders." Why?

Ricky Luebbert was shot to death in his home in Missouri.

An investigation into Michele Neurauter's apparent suicide led to the discovery of a family conspiracy and a dad’s diabolical ultimatum.

Whatever the emergency, dispatchers seen on "911 Crisis Center" seek to form an immediate bond with callers so they can better help them.

At Chagrin Valley Dispatch, featured in "911 Crisis Center," dispatchers handle all sorts of unique calls.

"An Unexpected Killer" returns to Oxygen with all new episodes, including one about the 1979 murder of Savannah Anderson.

Could Lula Young's “best friend” actually have been the brains behind her murder in Mississippi?

De-escalation is a big part of the job for emergency dispatchers, as seen in "911 Crisis Center."

From life-or-death threats to wild turkeys, 911 dispatchers are trained to handle any situation.

Cleveland serial killer Anthony Sowell's younger sister faced rage and “death threats” because of his gruesome crimes.