Police in Orlando, Fla., announced Tuesday that they had closed their case involving Santonio Holmes because the alleged victim, a 21-year-old college student who has sued him for assault in a nightclub, declined to prosecute. Even as the Orlando Police Department made its decision not to pursue Anshonae Mills' allegations, details of her own criminal past emerged -- arrests last year for assaulting a man in an episode of "dating violence" and arguing with a woman over a seat at a sports stadium. Although the criminal investigation against Mr. Holmes is over, Ms. Mills' lawsuit against the Pittsburgh Steelers' receiver...