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Mary Cosby’s Son Robert Cosby Jr. Dead at 23 as Police Probe Overdose Call

Salt Lake City police say they found him dead after a Feb. 23 emergency call, and the medical examiner is determining the cause.

Overview

  • The Salt Lake City Police Department confirmed the death and said the case remains an active investigation with the medical examiner involved.
  • Mary Cosby and her husband issued a statement confirming their only child's death and asked for prayers and privacy.
  • Officers responded at about 6:14 p.m. on Feb. 23 to a report of an overdose at the Cosby family home, where Robert Jr. was found dead.
  • Robert Jr.’s struggles with substance use were documented on Real Housewives of Salt Lake City, including a prior rehab stay and on-camera admissions.
  • He was released from jail in early February after pleading guilty in late 2025 to assault and violating a protective order, and Bravo and franchise figures shared condolences.