washington leaders ad hoc group protesters enrage republican donald trump election president unite state vow wednesday disrupt inauguration week block public access event disruptj20 protest group say send group demonstrators dozen entrance grassy national mall hundreds thousands people expect gather watch trump never hold public office swear president step u.s. capitol friday believe role role people conscience try disrupt inauguration massive show resistance day samantha miller disruptj20 organizer say news conference u.s. secret service washington police expect 900,000 people pack area capitol white house friday view swearing-in thousands uniform officer site trump anger many leave demean comment women immigrants muslims vow repeal sweep healthcare reform law know obamacare plan build wall along u.s.-mexico border supporters admire trump experience business include real estate developer reality television star view brash problem-solver miller say disruptj20 send group 100 protesters block dozen security checkpoints people enter inaugural festivities definitely interactions law enforcement day doubt miller say washington metropolitan police department decline comment group plan support everyone first amendment right peaceably protest spokeswoman say email refer amendment u.s. constitution protect right free expression square miles nearly square km central washington security cordon include roadblocks street barricade 3,000 extra police federal officer 5,000 national guard troop inaugural parade pennsylvania avenue pass trump international hotel rally point protesters since election man set fire late tuesday outside hotel tell nbc television anti-trump protest police say take hospital treatment detail condition u.s. protest group vow disrupt trump inaugural festivities