Sea lion killer by Jim Burgoyne · December 19, 2018 Dyanna Lambourn, left, and Casey McLean examine a bullet entry wound on a dead California sea lion. (Photo by Robin Lindsey) There is a killer or killers on the loose, shooting sea lions dead, assassination-style. So far, 18 carcasses have been found washed up on the shores of Puget Sound. Source: Sea lions have enemies. Someone is shooting them.