The man accused of killing Japan’s former prime minister Shinzo Abe has told police he had attempted to make a bomb, investigative sources said Sunday. The 41-year-old Japanese man, who allegedly shot Abe from behind with a home-made gun at close range during an election campaign speech, told police he had also made multiple guns, Japanese news agency Kyodo reported. Police searched his home in the western city of Nara, confiscating guns similar to the one found at the scene after Abe was shot Friday, Kyodo reported. The accused said after his arrest that he had acted out of hatred for a relig…