Skip to main content area
January 05, 2020

Homicide Investigation at Correctional Facility

A little after 1 p.m. on Tuesday, December 31, 2019, deputies assigned to the Rio Cosumnes Correctional Center (RCCC) minimum security “Honor Side” were alerted to an inmate suffering from an unknown medical condition inside one of the barracks.

Deputies responded and located an unresponsive male inmate. They immediately began life-saving measures and requested fire personnel respond. Fire personnel arrived on scene and declared the victim deceased.

Evidence revealed a physical altercation occurred in the shower area of the barracks outside of camera view. It was during this altercation that the victim sustained his injuries. Cameras are not located inside the shower area in accordance with privacy laws.

On January 3, 2020, Homicide detectives booked inmate Nikolas Kallergis (29) of Sacramento (see attached photo) on charges related to this investigation.

The identity of the victim in this case will be released by the Sacramento County Coroner’s Office after notification of next of kin.

Detectives are asking anyone with information relating to this incident, to please contact the Sheriff’s Office at (916) 874-5115 or Sacramento Valley Crime Stoppers at (916) 443-HELP. Tip information may also be left anonymously at or by calling (916) 874-TIPS (8477).

Sergeant Tess Deterding

Sheriff’s Spokesperson

Click for full size photo Nikolas Kallergis, 29

Translation Disclaimer