FILE - This undated file photo provided by the family shows Danvers High School teacher Colleen Ritzer. Philip Chism was convicted Tuesday, Dec. 15, 2015, of raping and killing Ritzer, 24, a popular teacher at Danvers High School in 2013. (Courtesy of Dale Webster/The Eagle-Tribune via AP

Family of high school teacher raped, murdered by student files lawsuit

The family of a Massachusetts high school teacher who was raped and killed by a 14-year-old student is suing the town where she died, the school system and a cleaning company whose...