D.Y. is a 13-year-old student who was inappropriately handled and physically mistreated by school safety officers.NYPD personnel assigned to New York City’s public schools have repeatedly violated students’ civil rights through wrongful arrests and the excessive use of force, according to a class action federal lawsuit filed today by the New York Civil Liberties Union, American Civil Liberties Union and the law firm of Dorsey & Whitney LLP. For more information, go to www.nyclu.org