Details: Sisters Barbara, 15, and Patricia Grimes, 13, left their home in Chicago, Illinois, at 7:30 pm to go to Brighton Theater to see the Elvis Presley movie "Love Me Tender" on the night of December 28, 1956. They allegedly boarded a bus that night but never returned. Their parents reported them missing the next day, but the police did not investigate for several days, believing that they had run away from home. Their family, however, could not believe that they had run away from home. A week later, the authorities decided to take the case more seriously; they began investigating the case thoroughly. Thousands of tips and leads came in throughout the central United States. Authorities found friends of the Grimes sisters who had seen them at Brighton Theater that night. However, they di