In one case, 17-year-old Kendrick Jones was charged as an adult with armed robbery and other charges in connection with an armed carjacking in the 3900 block of Grantley Ave. Tuesday night. Three suspects pulled up in a car beside the victim, threatened to shoot him, then two of them took the car, police said. The stolen vehicle was spotted later in southwest Baltimore and the two suspects were arrested. The second suspect is 15 and was charged as a juvenile.