Lil Durk’s cousin Lil Mister was a key player in the Drill Movement, known for his breakout single “No Lackin.” According to the Chicago Sun-Times, a 24-year-old later identified as rapper Lil Mister was shot and killed in Englewood Friday evening. Those taking a special interest in the Chicago Drill Movement will recall hearing Lil Mister’s name, for he wasn’t just …