John Zderko, an actor known for his roles on shows like Criminal Minds and 9-1-1: Lone Star, has died. He was 60. The actor’s friend, Charley Koontz, confirmed Zderko’s death to The Hollywood Reporter. According to Koontz, Zderko died of complications caused by cancer on Thursday in Los Angeles. Koontz also mourned Zderko’s death on Twitter, where he wrote, “A great friend and an excellent actor gone way too soon. Thank you so much to @THR and @MikeBarnes4 for giving our friend a true Hollywood sendoff. And to @captainblackusa for the great idea. Your name in lights one more time,...