CHICAGO—The number of juveniles arrested for carjackings during the first half of 2021 in Chicago nearly doubled compared to the same time last year, according to police arrest records obtained by The Epoch Times. During the first half of 2021, 91 juveniles—aged 17 and under, according to Illinois law—were arrested for carjackings. For the same time last year, the number was about half, at 46. According to the arrest records, nine out of 10 carjackers are black teenagers, mostly from the South and West Sides of Chicago. Among the juvenile carjackers arrested in 2021, 70 percent allegedly threatened the car owners at gunpoint, which is a Class X felony, the most serious felony category short of first-degree murder under Illinois law. In other cases, they threatened car owners with their fists, which could also be a deadly force. On July 14, a 17-year-old juvenile and 18-year-old Frank Harris allegedly struck …