It turns out that undercover detective who as at the scene of the West Side Highway motorcycle chase was involved in beating up SUV driver Alexian Lien, contrary to what was originally reported. NYPD sources say a video–not the one that went viral on YouTube–shows the detective banging on one of the the car’s windows until it smashes. According to NBC News, the officer “could now face criminal and departmental charges.” We’ll update when more information becomes available.