Cause of death: execution by firearm
Gabriel Péri (French pronunciation: [ɡabʁiɛl peʁi]; 9 February 1902 — 15 December 1941) was a prominent French communist journalist and politician who served in the Chamber of Deputies from 1932 to 1940 for Seine-et-Oise. A member of the French Resistance in World War II, he was executed in German-occupied France at Fort Mont-Valérien. He was deemed Mort pour la France.
Source : Wikipedia