You know that dead body dragged out of Lake Merced earlier this week? Well, no one seems to know who he is, so the police are asking for the public's help. According to the Examiner, John Doe is a white male who appeared to be about 50 years of age...5 feet seven inches tall, weighing 167 pounds with dark brown hair and an undetermined eye color. He had no tattoos or jewelry, and was wearing a green sweatshirt, a red T-shirt, green boxer shorts, and one green dress sock when his body was discovered." Also, he has an "identifiable surgical scar on his left shoulder," as well as a a "surgical screw and wire in that shoulder." Know the guy? Then, please, call the Medical Examiner’s Office at 415-553-1694.