Edgar Diaz-Estrada was 21 when he went missing on June 15, 2004, in Winterhaven, California. He and a friend were attempting to cross the Colorado River from Mexico into the United States when witnesses saw Edgar go underwater and not resurface. No further information has been reported about his fate, and he was never located.

The disappearance has been classified as a lost/injured case and remains open; authorities have not released additional clues. If anyone was in the area that day or has information about crossings on the river around June 15, 2004, please contact the relevant law enforcement agency. Who might have seen Edgar or his friend that day?