saying this about how akram potentially got the weapons after arriving into the country in the last few weeks. i don t have all the facts nor does the attorney. but allegedly the assertion was he got the weapons on the street. reporter: the anti-defamation league recording more than 8,000 incidents of extremism or anti-semitism in the last two years. anti-semitism attacks have risen over the last three or four years increased and we need to prepare our community. reporter: the network conducting security and training at beth israel synagogue. tonight one of the hostages crediting that training for saving their lives saying in a statement, in the last hour of our hostage crisis, the gunman became increasingly belligerent and threatening. without the instruction we received, we would not have been prepared to act and flee.