The Japanese Cannibal, Issei Sagawa, never stood trial for killing and eating Renee Hartvelt. he did spend time in a mental institution but was able to walk out on his own. Issei Sagawa - WikipediaIssei Sagawa, The Kobe Cannibal Who Killed And Ate His Friend (allthatsinteresting.com)The Story Behind Issei Sagawa: The Japanese Cannibal — GATA (gatamagazine.com)