More crimes have been revealed in the 'American Nightmare' kidnapping case by Matthew Muller, including some dating back decades, officials said. According to the El Dorado County District Attorney's Office,

Matthew Muller, already serving a 40-year sentence in the Denise Huskins case, had been terrorizing the community for two decades before the widely known "American Nightmare" case, prosecutors said.

Two weeks after he drugged and kidnapped Denise Huskins from her Vallejo, California home in 2015, "American Nightmare" kidnapper Matthew Muller allegedly committed another crime in neighboring Contra Costa County.