Ricardo Marquez, 45 and from Pomona, California, was last seen on July 8, 1977. Details about his disappearance are sparse: he is described as a Hispanic male about 5 feet 8 inches tall, 175 pounds, with black hair and brown eyes, a linear scar on his left cheek and an oval-shaped mole on his left shoulder. At the time he went missing he was reportedly wearing a long-sleeved button-down shirt and blue Levi jeans.

The case remains an unresolved cold case with few publicly known leads and no significant developments reported. Investigators and missing persons organizations have not been able to locate Marquez or establish what happened to him. If anyone has information — no matter how small — that could help clarify Ricardo Marquez’s whereabouts, please contact the appropriate authorities. Are there readers who remember Ricardo or have any information about his last known movements?