Laura Grillot and her sister Maggie talk about their brother Ian Grillot, who was shot trying to stop a gunman who killed Indian engineer Srinivas Kuchibhotla at a local bar, during a vigil at a conference center in Olathe, Kansas, U.S., February 26, 2017. Hira Nair leads a chant during a march before a vigil for Srinivas Kuchibhotla, an Indian engineer who was shot and killed, at a conference center in Olathe, Kansas, U.S., February 26, 2017.