Matthew Muller, who is currently serving a 40-year sentence for the kidnapping of Denise Huskins, pled guilty Friday in Santa Clara County court on new charges of medicating and then sexually assaulting another woman.

Matthew Muller was convicted of kidnapping and sexual assault in a 2015 case in which Vallejo police initially accused the victim and her boyfriend of making up the story of her abduction. He pleaded guilty this week in two additional cases.

Matthew Muller, the notorious rapist who was convicted of kidnapping Denise Huskins in Vallejo, pleaded guilty on Friday to victimizing more women in the South Bay. Muller, 47, was

Convicted "American Nightmare" kidnapper and rapist Matthew Muller will appear in a San Jose courtroom on Friday. Muller was responsible for the 2015 kidnapping and sexual assault of a Northern California woman.