Rihanna Helps Cops Build Case Against Abusive Brown

Police are trying to beef up the case against Chris Brown and expect to complete their investigation next week, the New York Daily News reports. Rihanna is cooperating, and investigators expect to reinterview both parties before involving the DA's office, which has already asked for more evidence, a source tells TMZ, because "the DA is not going to prosecute a high-profile case like this unless it's solid."

“Chris really feels bad about the whole situation,” one friend said. But Rihanna told police her relationship with Brown was filled with escalating abuse, and her friends were concerned when she had bruises on her neck in December, Us reports. Another source told Life & Style police were called to a hotel in 2007 when Brown got scary with his own mother, “screaming and throwing dishes.”
(More Rihanna stories.)