Seven years after the mysterious disappearance of 17-year-old Brittanee Drexel while on spring break in South Carolina, new claims about the teenager’s fate have emerged. An FBI agent recently testified in a federal court that a jailhouse informant has made claims he witnessed Brittanee’s last moments alive. In the video above, Dawn Drexel, Brittanee’s mother, reacts to these allegations that her daughter was kidnapped and sexually assaulted before being shot, and her body possibly being disposed of in a South Carolina alligator pit.

Tune in to Dr. Phil on Friday to watch exclusive interviews with Brittanee Drexel’s family. And a surprise guest joins Dr. Phil to discuss the shocking allegations about what the FBI now says may have happened to her.