Prosecutors have filed charges against two teenagers accused of an armed carjacking in Milwaukee that led to an attempted carjacking and shooting in West Allis Friday.Seventeen-year-old Gregory Edwards-Hemphill and 18-year-old Brandin Ballard face counts of armed carjacking and first-degree recklessly endangering safety. Ballard has also been charged with bail jumping and possession of a firearm by an adjudicated delinquent.According to the criminal complaint, someone reported they had their 2015 black Jeep Cherokee stolen at gunpoint near 32nd Street and Forest Home Avenue around 5:30 a.m.That same morning, Ben Singleton was sitting in his car near 66th Street and Hayes Avenue when two young men tried to break in.”As he opened up my door I said, ‘Hey, what’s going on?’ He was like, ‘Oh, I’m sorry, bro, I’m sorry, I’m sorry.’ And as he’s trying to get into my car, there’s another guy trying to get into my girlfriend’s car,” Singleton …