people have been coming out in solidarity including this mother. >> these people went to the synagogue just like we did. they want to pray in freedom, to worship freely as we're promised in this country and the wonderful country of america and to be -- have the lives threatened because they're jewish is infuriating to me. and especially with martin luther king day tomorrow it shows us little progress we have made. >> reporter: the president today denouncing anti-semitism in any form as federal officials say they're looking into what was behind this behavior and the anti-defamation league said last year 2,100 that they knew about