Sea Shepherd Conservation Society belongs to Skipper . Group : Bethune was trying to make citizen 's arrest of Sea Shepherd Conservation Society skipper . Bethune was involved in collision that sank Sea Shepherd , which targets harpoon ships . Sea Shepherd : Activists have used butyric acid -- found in rancid butter and vomit -- and fired paint guns at Japanese whaling ships , which in turn have repelled protesters with water cannons . Bethune has legal representation in Japan .
Sea Shepherd Conservation Society belongs to Skipper . Group : Bethune was trying to make citizen 's arrest of Sea Shepherd Conservation Society skipper . Bethune was involved in collision that sank Sea Shepherd , which targets harpoon ships . Sea Shepherd : Bethune has legal representation in Japan .