The Montgomery County Police Department (MCPD) has announced that four teens-a 13-year-old, a 14-year-old, a 17-year-old, all from Silver Spring, and a 15-year-old from Prince George’s County-have been arrested for an armed carjacking on Bethesda Avenue, where the 17-year-old displayed a gun and demanded the victim’s car keys, resulting in their apprehension following a traffic stop on Wisconsin Avenue.