A pair of Los Angeles teenagers hired by the Sinaloa Cartel to rub out a rival in Southern California were sentenced to 25 years in prison for the assassination attempt. Andrew “Shooter” Nunez, 16, and Johncarlo “Dumper” Quintero, 17, learned their fate Friday after pleading guilty to attempted murder and the collateral death of a fellow gang member. The teens were just 15 when they tried and failed to gun down their target at a San Diego-area Chilli’s restaurant before another hit attempt at