911 audio reveals harrowing details of Mary Cosby’s son Robert Jr. death

The 911 audio call for the “Real Housewives of Salt Lake City” star Mary Cosby’s son, Robert Cosby Jr., has shed new light on his death.

“Twenty-three year-old male, not conscious, not breathing. One dose of Narcan given,” the dispatcher said, according to audio exclusively obtained by Page Six.

“Police have been called. Three units in route,” the dispatcher added.

A Salt Lake City Police Department spokesperson confirmed to Page Six that Robert was found dead on Monday after officers “responded to an overdose call that turned into a death investigation.”

They responded to the call at 6:14 p.m.

This story is developing…