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Just weeks before Robert Cosby Jr.’s tragic passing, his mother, Mary Cosby, found herself answering questions from authorities regarding an alleged domestic violence incident involving her son. The situation has cast a somber shadow over the “Real Housewives of Salt Lake City” star’s life.
Documents obtained by TMZ reveal that on January 9, 2026, Mary Cosby spoke with Salt Lake City Police concerning the relationship between Robert Jr. and his former wife, Alexiana Smokoff. These discussions painted a picture of a relationship fraught with challenges yet lacking in physical altercations, at least from Mary’s perspective.
During the interview, Mary Cosby described her son’s relationship with Smokoff as one that occasionally witnessed verbal disputes but insisted she never witnessed any physical confrontations. She firmly stated that violence was not a trait she instilled in her son, emphasizing her disbelief in any reports of aggressive behavior from him.
The reality TV star, also known for her role as a Church leader, recounted that while under her care, she never noticed any injuries on either her son or Smokoff. However, she did mention a concerning incident where Robert Jr. and another individual had jumped off a balcony while under the influence, highlighting the complexities of his life.
Cosby claimed she did not see any injuries on either party while they were under her roof. However, one time Robert Jr. and another person jumped off a balcony while high.
However, Smokoff had called law enforcement on Nov. 23, 2025, to report an alleged domestic violence incident with Robert Jr. that occurred in May 2024.
Smokoff claimed that Robert Jr., who was incarcerated at the time of the report, became enraged after she threw his drugs in the toilet six months earlier “because she was tired of his drug use.”
According to the court documents, the incident allegedly took place at Cosby’s Utah home.
Per the outlet, Police also spoke with Robert Jr. while he was behind bars. He admitted to being on fentanyl at the time of the alleged 2024 incident and did not remember everything.
Robert Jr. also told police that he did confess to his mom that he was physical with his then-wife. He said he thought he was in “psychosis” for a while because he was “acting erratic and irrational.”
Smokoff filed for divorce in November 2025 following three years of marriage. The exes secretly tied the knot at a Utah courthouse in August 2022.
The divorce was finalized in January.
In the the weeks leading up to Robert Jr.’s tragic death, the young adult was charged with domestic violence and had a warrant out for his arrest.
Robert Jr. previously spent two months behind bars for violating a pretrial protective order against Smokoff.
As part of his Feb. 3 release, he was ordered to complete 75 hours of community service and complete substance abuse and anger management classes during his 24 months of probation.
The 23-year-old, who had been open about his drug issues on the Bravo reality show, was then charged with felony aggravated assault and felony assault on Feb. 5, just two days after he was let out.
Robert Jr. was found dead on Feb. 23 after officers “responded to an overdose call that turned into a death investigation.”