-- Four Salem High School students have pleaded not guilty to charges that they raped a teen girl in a Lynn home late Friday night. The four boys, three 17 year-olds and one 18 year-old, were arraigned Tuesday on charges of aggravated rape. The alleged victim reported the incident to police Saturday morning. [Globe; Herald] -- Derek Boisvert, a 25 year-old convicted child rapist who appeared on the Massachusetts' 10 Most Wanted Sex Offender List......