MILWAUKEE (AP) — In the five years since a white supremacist fatally shot six worshippers at a Milwaukee-area Sikh temple, those affected by the tragedy have remained united by a mission to combat hatred.

A former skinhead and the son of a man killed in the massacre hold school assemblies to preach a message of peace.

Another man whose mother was killed lobbied the federal government to start tracking hate crimes against Sikhs. And a police officer who was shot 15 times when he confronted the gunman on Aug. 5, 2012, has remained close with the Sikh community and brought up the tragedy during a...