Arturo Santiago Ramirez was 30 when he was last seen in Arizona on April 7, 2008. Described as Hispanic and between 5 feet 4 inches and 5 feet 6 inches tall, he was reported to weigh between 140 and 160 pounds. Distinctive marks listed in the file include a small brown birthmark on his leg just above the knee and a small scar under his belly button.

The circumstances of his disappearance are classified as unk. The Pima County Office of the Medical Examiner filed a report on June 17, 2008, and the case was entered into NamUs on July 30, 2012 as agency case number FSC MPR 719. Clothing, belongings, means of transportation and other details about the day he went missing have not been made public, and no clear leads are described.

If anyone knew Arturo, saw him in Arizona around April 7, 2008, or has information that could help, please share what you remember.