(AllHipHop News) Madison, Wisconsin police are investigating the claims of a local, 33-year-old woman, who claimed she was sexually assaulted by the rapper inside of his Cadillac limousine after a performance last night (June 20th). The unidentified woman called the police around 12:46 AM (June 21st), shortly after a concert at The Orpheum Theater featuring Fat Joe, born Joe Cartagena. Police said the concert started at 7:00 PM on June 20th. After the concert was over, the woman was inside of the Cadillac limo with Fat Joe and his entourage with the destination being a hotel on Madisons West side. After some time had elapsed, there were allegations of inappropriate touching involving the female, who reported the incident to police, according to prosecuting officer, Howard Payne. This investigation is ongoing. Details are continuing to be developed in this matter, said Officer Payne. Cartagena was questioned along with others in his entourage. Detectives briefly detained subjects involved in this matter, and released parties after interviews were completed.