A former Hopkinton deputy chief of police was convicted Friday of three charges of rape of a child, the Middlesex district attorney’s office said.

The assaults took place in 2004 and 2005 while John “Jay” Porter was a school resource officer for Hopkinton Public Schools and the victim was a 15-year-old student.

During her ninth- and tenth-grade years at Hopkinton High School, the student would often go see Porter, the school resource officer, for support. In tenth grade, their relationship changed from one between a student and a trusted adult to a “flirtatious then sexual one,” the statement said.

“The defendant in this case abused his position of power to take advantage of and manipulate a child to gain her trust before sexually assaulting her on multiple occasions,” said District Att

See Full Page