Jaime Lopez-Arenas, 22, disappeared in Denver, Colorado, on December 22, 2007. He was last seen in the 3000 block of West Colorado Avenue after going for a walk with a friend, Jesus Nava-Gamboa. Both men were never heard from again.

Reports connect their vanishings to a traffic accident that day, but specific details about the collision and how it might relate to their disappearance are scarce. Jaime was described as a Hispanic male, black hair, brown eyes, 5 feet 10 inches, about 150 pounds, with a small iron burn on his left arm; he often wore an ankle bracelet and a rosary. The Denver Police Department opened an investigation and a report was filed a few days later, and national missing persons organizations have documented the case. Few public developments have been reported since, and the case remains open.

If anyone knew Jaime or Jesus, saw them around West Colorado Avenue on December 22, 2007, or has information about the reported traffic accident, please come forward.