(John Del Signore) The NYPD has arrested a second man in connection with the motorcycle mob assault caught on video Sunday afternoon in upper Manhattan. But the driver of the Range Rover, who plowed through a group of bikers, seriously injuring one, is not expected to face criminal charges. According to a number of retired law enforcement officers and bodyguards interviewed by the Times, that's because he did what he had to do to protect his family.

"You have the right to defend yourself, by hook or by crook," former NYPD sergeant and FBI agent Manuel Gomez told the Times, pointing out that the motorcyclists vastly outnumbered the driver and his family, and had "superior weapons, because they were using their helmets. All he’s got is a cellphone and a vehicle. Take them out. Whatever you have to do. Figure it out later."

The driver, Alexian Lien, did just that, but the bikers finally cornered him up in Washington Heights, beating him severely in front of his wife and young daughter. Yesterday the NYPD arrested Christopher Cruz, 28, of Passaic, N.J., charging him with reckless driving, reckless endangerment, endangering the welfare of a child and menacing. Cruz is the biker seen in the video slowing down in front of Lien's car. They soon collided, and then Lien sped off when the bikers began pounding on his vehicle, damaging a side view mirror.

Read More: Gothamist

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