According to the latest NYPD figures, felonious assaults in Williamsburg are up 21 percent this year, from 96 to 116 as of last July 6.
Its hard not to notice the huge increase in beat cops on the street the past few months, and there have been rumors of knife attacks (even machete attacks) in the past few months. In this case, it sounds like a vendetta incident, but previous attacks have been more random.