I couldn't find the thread about the McDonald's customer's attack on the transgender woman, but here's the outcome:
A Maryland teenager was sentenced to five years in prison for her involvement in an attack on a transgender woman, Chrissy Polis, in McDonald's earlier this year. Teonna Brown, 19, pled guilty to a hate crime and first-degree assault. A McDonald's employee taped the attack and uploaded it to the Internet, where it quickly went viral. McDonald's issued a statement condemning the attack, but has not yet commented on the sentencing.
I've deleted parts that referred you to somewhere else to find out what happened to the 14 y/o accomplice and the employee who filmed it.