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PATERSON, N.J. — A 17-year-old wanted for allegedly punching an elderly man in an apparent knockout attack that was caught on video and posted to Facebook is expected to turn himself in Tuesday, according to

Attorney Harley Breite reached out to Paterson Police Sunday to arrange for the boy to turn himself in Tuesday after he prepares him for a “safe surrender.”

Paterson Police became aware of the Dec. 7 attack after a video was posted to Facebook last Thursday.

The video shows the 17-year-old punching an elderly man who was getting ready to cross Rosa Parks Boulevard from Van Houten Street.

After an investigation, the assailant, who is from Paterson, was identified and petitions were signed against him for aggravated assault and endangering an injured victim. His lawyer said that he planned to enter a not guilty plea on behalf of the teen.

A second person involved in the attack, a 16-year-old boy, allegedly filmed the assault and “is heard encouraging the aggressor,” according to a press release issued Sunday morning by City Police Director Jerry Speziale.

The teen turned himself into Paterson Police Saturday. He has also been charged with aggravated assault and endangering an injured victim.

Police say the victim was left lying in the street, apparently unconscious. The attack appears to be similar to what has been termed the “knockout game,” where someone punches an unsuspecting victim in an attempt to knock them out.