The stash of violent and offensive material was discovered after Rose allegedly told a family member about his desire to kill people, specifically mentioning threats against Jewish people, on Monday. The relative called Orange police, who searched his Irvine home the next day, DA’s officials said. A set of steps titled “killing my first Jew” was found there along with the bullets, anti-Semitic pamphlets and lists of targets, prosecutors said. Papers that mention St. Barbara Russian Orthodox Church in Lake Forest and the Beth Jacob Congregation and St. Paul’s Greek Orthodox Church in Irvine were also uncovered, according to a...