"He swung and hit me and my chin," says Livingston.
Livingston's jaw was so badly shattered, it took surgeons nearly three hours to rebuild it. He was on a liquid diet for six weeks, and he had to be home-schooled.
Livingston is just 13, and is one of the youngest victims of the so-called 'knockout game'. On Friday night, the Caring for Children Foundation held a benefit to help raise money for Livingston and other victims with substantial medical bills.
Among the supporters were knockout victim Kyle Rogers, who was attacked in the Bowery back in March. No one has been arrested in that case, and Livingston's case also remains unsolved.
"I just want the person to be arrested because he's out there on the streets, and he might be doing it to other people," Livingston adds.