Ronald Santiesteban, a 69-year-old Hispanic man, was last seen on July 31, 2007, in Homestead, Florida. He was reported to be 5 feet 4 inches and between 120 and 130 pounds, with short wavy black hair, brown eyes, and clean-shaven; recent scars on his abdomen were noted. He was in Homestead for an evaluation and is believed to have walked away from the facility where that evaluation was taking place.

Santiesteban was last seen wearing a blue plaid shirt, black jeans, and a brown jacket or coat. No information is available about any transportation he may have used. The Homestead Police Department is the investigating agency and the case remains unresolved. If anyone knew Ronald, saw him around Homestead on or after July 31, 2007, or has information about where he might have gone, please come forward.