The Tuolumne County Sheriff's Department is searching for a man who sexually assaulted a woman who stopped her car at Tuolumne City Memorial Park to use her cell phone. The woman was assaulted about midnight Jan. 14. She reported the assault last month, and the Sheriff's Department released information regarding the assault Thursday. Authorities said the assailant is a white man, 5 feet 8 inches to 6 feet tall, with a thin build and bad teeth. The woman reported that he smelled of tobacco and chemicals. He fled on foot after the attack. The Sheriff's Department asks that anyone with information about the assault call the department at 533-5815.