A 4-year-old boy was fatally shot in the head this past weekend amid a series of violent crimes in Chicago, NBC News reported . Mychal Moultry Jr. was getting his hair styled in the front part of a home on Friday when he was struck in the head by two bullets that entered through a window. Additionally, at least seven other children and dozens of people were wounded in Chicago over the Labor Day weekend."These innocent young children should not be the byproduct of your criminal behavior," Police Superintendent David O. Brown said to those linked to the violence. Rahman Muhammad, deputy chief of the Chicago police detective division, said that the detectives are continuing to canvass the scene of Mychal’s death and find potential witnesses. "We definitely need the help from the public to further this investigation," Muhammad told reporters on Monday. Over the weekend, at least three other people were killed and 53 were injured by gunfire, police said. An 11-year-old was struck by a...