A Cabazon man was arrested on Tuesday on suspicion of second degree robbery, false imprisonment and the attempted murder of his own mother.

According to a news release from the Riverside County Sheriff’s Department, a woman went to the Cabazon Sheriff’s station, “to make a report that she had just been assaulted by her 31-year-old son, Richard Diaz.”

Police investigated and determined that she, “had been held against her will and assaulted.”

Diaz was arrested three hours later on Marino Street in Cabazon.