Teen's Final Act on Camera Before Being Found Dead

Newly released video shows a teenager searching through a car outside her home. Shortly after, she was found dead in a nearby field. The footage has become a key piece of evidence. Police have not said what, if anything, was taken from the vehicle. They also have not confirmed the cause of her death. The girl's mother made a brief statement to reporters. "She was my baby," she said. "I just want to know what happened to my child." An investigation is ongoing. Authorities are asking anyone with information to come forward.