Yes. Many fisheries are accused of tricking poor migrant workers into slave-like working conditions on tuna boats. A key aggressor in this area is Thai Union, who own of Chicken of the Sea and Bumble Bee canned tuna. Greenpeace U.S. Oceans Campaign Director John Hocevar has said: "If you eat tuna that is sourced from Thai Union, there is no way to be sure you aren't eating fish associated with slave labor or caught under extremely poor conditions.