Tourists visiting the island prison of Alcatraz witnessed something few have ever seen: a great white shark predation of a seal or sea lion inside San Francisco Bay. A video posted to YouTube by tourist Meredith Coppolo Shindler has over 475,000 views and is getting attention not only for the shark, but for the little … Continue reading Alcatraz Tourists Gasp As Great White Shark Attacks Seal in SF Bay: WATCH