new black panther party black power movement carry firearms self-defense rally cleveland ahead next week republican convention allow ohio law group chairman say plan group weekend come police cleveland brace influx group plan demonstrations presidential nominate convention attack last week dallas kill five police officer law enforcement officials say demonstrators carry rifle lead initially believe attack multiple shooters several group include supporters presumptive republican presidential nominee donald trump say carry weapons cleveland open state carry exercise second amendment right group threaten threaten harm us hashim nzinga chairman new black panther party tell reuters telephone interview state allow us bear arm panthers others legally bear arm bear arm nzinga say condemn dallas shoot officials ohio say legal protesters carry weapons demonstrations outside convention state open carry law allow civilians carry gun public black power group promote defense racial oppression advocate establishment arm self-defense group black social institutions self-sufficient economy new black panther party long call separate black nation nzinga say movement focus protect black americans right academics say new black panther party remain marginal largely representative old generation 30s 40s rather young activists draw group anti-racism black live matter movement new black panther party found 1989 adopt radical approach 1960s black panther party members original group denounce new black panther party racist nzinga say movement include original black panthers southern poverty law center hate group watchdog describe new black panther party virulently racist anti-semitic organization whose leaders encourage violence white jews law enforcement officer center track years public statements new black panther party group nzinga deny group racist say fact jews control hollywood u.s. media center say group know carry violent attack black shooter dallas kill like new black panthers black nationalist group facebook member nzinga say expect couple hundred members new black panther party participate protect black unity rally national convention oppress schedule begin cleveland thursday even end monday morning nzinga say panthers plan leave cleveland sunday day convention officially open protect ... try anything else say go carry great legal right assemble protest exercise freedom speech nzinga say group grow amid racial tensions wake series high-profile police kill black men past two years southern poverty law center say number black militant chapters around country grow 113 2014 180 2015. center say 892 hate group total nationwide say white hate group aryan brotherhood much long track record carry violent attack black nationalist group nzinga say group 36 chapters nationwide decline reveal membership number people literally call say first time life protest love it nzinga tell reuters want part something try part system system let want part rebellion new black panther party say carry arm cleveland legal