Joe Dziemianowicz

“Cold Justice” investigators attempt to debunk rumors and get to the truth about a 17-year-old girl’s shocking murder in Colorado.

After an Alaskan single mom was stabbed to death, the case went cold for 10 years. Everything changed when a detective realized that email evidence didn’t add up. 

When a caller’s pet was choking, she reached exactly the right 911 dispatcher to help save the day — and the dog.

Each 911 call brings a new challenge for Chagrin Valley Dispatch staff, seen on Oxygen series "911 Crisis Center."

In the upcoming Oxygen series "Family Massacre," premiering Friday, December 3 at 9/8c, the horrifying stories of family annihilators are told.

When a girl suffers an allergic reaction to eating nuts, a dispatcher defuses the tense situation. 

The “Cold Justice” team reckons with rumors and one dead end after another in the murder case of a bright, beloved 17-year-old Mississippi girl. 

“The minute we are able to start CPR, that’s the first minute of your life that you’re getting back,” says a seasoned dispatcher.

Chagrin Valley Dispatchers handle calls about domestic violence, an injured baby, and a Viagra mix-up. 

Who killed Shannon Poteet, a young Native American mom, in 1986? The "Cold Justice" team heads to Wisconsin an attempt to find answers.