READ: Dan Rivera, Paranormal Investigator, Dies Suddenly While Touring With Haunted Doll Annabelle

Dan Rivera, a well-known paranormal investigator and U.S. Army veteran, died unexpectedly Sunday night while on tour with the infamous haunted doll Annabelle. Rivera, 54, was in Gettysburg, Pennsylvania, concluding a sold-out stop of his “Devils on the Run Tour” when emergency crews were called to his hotel.