Tiffany Debra Humphrey was 24 when she was last seen on February 25, 2011, in Contra Costa County, California. She is described as 5 feet 4 inches tall, about 110 pounds, with black hair and brown eyes. The circumstances of her disappearance are described as mysterious, and details about her movements before she went missing are limited.

The Contra Costa County Sheriff’s Department is handling the investigation and has prioritized the case because of its potentially suspicious nature. Anyone with information about Tiffany’s whereabouts is asked to contact the Contra Costa County Sheriff’s Department at (925) 335-1580.

If you knew Tiffany or saw her in late February 2011, can you share any details that might help investigators?