He feared he would never return to Cuba, where he had stored his manuscripts in a safe. He was convinced the FBI was following him, and one night, Mary found him with a shotgun in his hand. The writer was admitted to the hospital, where he underwent electroshock therapy, presumably at least 15 times. He left the clinic on June 30th, 1961, returning home to Ketchum, Idaho. On July 2nd, 19 days before his 62nd birthday, Hemingway shot himself with his favorite shotgun.