The 17-year-old girl who filmed the filmed a group of teen girls beating up a subway rider on an A train last month has met with the police yesterday. Kajdera Holmes's lawyer told the Daily News, "She regrets not doing more to help the victim." Ward has also said that Holmes, who was arrested in September for assaulting a 24-year-old woman on a J train, had nothing to do with the attack, though she and......