PALMDALE, Calif. (KABC) -- A girls' basketball coach at Palmdale High School has been arrested on suspicion of committing lewd acts after authorities say they found him in his car with a minor.Marcus Williams, 38, was arrested near 45th Street E. and E. Avenue Q12 at about 10:55 p.m. Thursday, according to the Los Angeles County Sheriff's Department.Detectives are looking to speak to any possible additional victims. No further details were immediately released.Anyone with information on this case or who may have been victimized by Williams was asked to contact LASD's Special Victims Bureau at (562) 946-8531.