In February, an armed juvenile jumped into a car in the 17500 block of Dixie Highway, ordered the occupant to exit the vehicle, then he and an accomplice drove away.On May 16, a similar scenario played out across town in the 17900 block of Halsted St.In both cases, the theft occurred in broad daylight. In both cases, the perpetrators were soon apprehended. In the second case, one of the suspects was shot by an Indiana trooper at the end of a pursuit after allegedly displaying a handgun.Incidents like these are happening with increasing frequency in Chicagoland . . .