SURPRISE, Ariz. – A high school teacher was arrested for allegedly sexually abusing a teenage family member.Maricopa County sheriff’s detectives took Marcos Cantu, 39, into custody on Monday. He currently teaches at Valley Vista High School in Surprise.Detectives reportedly received information that Cantu had fondled the victim over her clothing while driving her home from school.The victim reported the alleged assault after she and Cantu reportedly had an inappropriate sexual discussion.Cantu has worked as a math teacher and a wrestling coach at the Surprise high school for the last four years. He worked at two other schools in Peoria prior to that. Detectives say they do not have information that leads them to believe there are more victims. Anyone with additional information on this case is asked to call MCSO at 602-876-1087.Cantu faces one count of sexual abuse.