Casselberry, Fla. – The Florida Department of Law Enforcement has issued a Silver Alert for James Martin Jr. According to authorities, Martin Jr was last seen in the area of the 1400 block of Lake Shore Drive in Casselberry, Fla, wearing a gray shirt, gray shorts, and brown Crocs. Authorities believe he may be traveling in a 2015, red Volkswagen Beetle with a FL tag number Y47GXN. Authorities also believe there might be a bumper sticker on the left side of the vehicle’s license plate.