Update: The murdered teen has been identified as Carlos Sousa, Jr. As the investigation continues into Christmas Day's gruesome tiger attack at the SF Zoo, it turns out that the guy killed by Tatiana the tiger was a 17-year-old boy from San Jose. Unidentified at this point, and currently stuck with the moniker "John Doe 116," it seems that he also knew the tiger's two other victims, 19- and 23-year-old brothers from San Jose. The......