Twenty-one years ago, my brother Balbir Singh Sodhi was shot to death in front of his store in Mesa. Balbir was a Sikh American father who wore a turban and kept a long beard as part of our faith.

On Sept. 15, 2001, a racist gunman murdered Balbir Singh Sodhi at Sodhi’s gas station in Mesa, Arizona. Sodhi, a 52-year-old Sikh man who immigrated to the United States from India in 1989 ...