Mark Grimmie, Christina Grimmie’s Brother: The Photos You Need to See

On Friday night, former Voice singer Christina Grimmie was fatally shot by an unidentified gunman. The shooter walked up to Grimmie while she was signing autographs after an Orlando concert and opened fire. Grimmie's brother, Mark, is being called a hero for tackling the assailant, and keeping him from hurting anyone else. Unfortunately, Christina Grimmie's publicist Heather Weiss confirmed to the Daily News early Saturday morning that she later died of wounds. Click through our gallery to see pictures of Mark Grimmie. (Instagram/grimmiereaper)