"Knockout game" reported across U.S.

Conrad Barrett, 27, was arrested Thursday, Dec. 26, 2013, on federal hate crimes charges for allegedly shooting video of himself sucker-punching a 79-year-old black man in a "knockout game"-style attack.

Brooklyn, N.Y.

This 12-year-old boy, who did not want to be identified, says he was a victim of the “knockout game” in Brooklyn, NY.

St. Louis. Mo.

Elex Murphy was convicted of murdering a 72-year-old man in April 2011 in a "knockout game" attack.

Philadelphia

Police arrested a 15-year-old in connection with the attack of a man outside a pizza shop in Philadelphia in November 2013.

Brooklyn, N.Y.

Surveillance captured the violent "knockout game" attack of a 26-year-old man on a sidewalk.

Denver, Co.

nick-lloyd.jpg w=620&h=349&crop=1.jpeg.jpg — CBS

On New Year's Eve 2013, Nick Lloyd was attacked in Denver while waiting for a ride with his friend. Lloyd told CBS Denver his lower jaw was broken on both sides and his cheek was pushed in. He reportedly said he will need metal plates to reconstruct his face.

Philadelphia

Manhattan chef Diego Moya suffered a broken nose and jaw after being ambushed by several men in Philadelphia in November 2013. Police told CBS Philly nothing was stolen from the victim and they suspect the attack was part of the "knockout game."