POLK COUNTY, Fla. (WWSB) – An attorney for the Polk County teen accused of murdering his mother has filed multiple motions in the case. Collin Griffith was indicted for First-Degree Murder and will be charged as an adult in the Sept. 11, 2024 death of his mother. Deputies say the teenager called 911 for help, stating that he and his mother had gotten into a fight. He claimed that during this argument, his mother lunged at him with a knife, and fell on it, resulting in a deep stab wound to her neck.