A man who police suspect may be a serial rapist has been charged for one of those assaults.
32-year-old Jerome Adams was charged with two felonies related to a sexual assault that happened in September in downtown Tulsa.
Police said that is when Adams attacked a homeless woman.
Investigators have taken DNA samples from the September assault s well as a similar incident back in June.
Police say there may be more victims as their investigation into other assaults continues.