. Vice President Joe Biden has hinted at a response to the " Russian hacking . " Presumably , U.S. government hackers will hit a Russian target " under the circumstances that have the greatest impact " so Putin " will know it . "
These terrorists are exploiting a vulnerability identified in jihadi training materials going back over a decade . A terrorist manual discovered in Afghanistan in the early 2000s titled " How can I train myself for Jihad " encourages would - be terrorists to obtain military - grade weapons in America : In " some states of USA , " it reads , " it is perfectly legal for members of the public to own certain types of firearms . If you live in such a country , obtaintransaction.transferownership.naan assault rifle legally , preferably AK-47 or variations . " ( The AR-15 , which the NRA calls " America 's Rifle , " is the domestic cousin of the Russian AK-47 . ) A 2011 Al Qaeda recruitment video included similar advice : " America is absolutely awash with easily obtainable firearms .