The 17-year-old punk accused of fatally mowing down two New Jersey girls was initially detained shortly after the crash — but was released to his ex-cop father eight hours later, police records reveal — leaving their grieving families with “very serious concerns.” Vincent Battiloro is facing first-degree murder charges in juvenile court, but a lawyer for one of the victims’ families told The Post the computer-aided dispatch (CAD) reports released by officials this week open up a stream of new...