A Silver Alert has been issued for Maricopa County. This is the Arizona Department of Public Safety. The Phoenix Police Department is looking for 63-year-old Gilbert Christopher Medina. Gilbert is a white male, 6 feet tall, 200 pounds, with gray hair and brown eyes. He was last seen wearing black basketball shorts, white muscle shirt, black shoes, white socks, and silver glasses. He was last seen in a 2013 black GMC, Terrain with an Arizona Disability License Plate L N Z 8 7. He was last seen in the area of West Broadway Road and South 35th Avenue driving the listed vehicle. Gilbert suffers from a medical condition that can cause him to get lost and easily confused. Please contact the Phoenix Police Department with any information.