>>> also develeling tonigig, isisisow claiming it was their bomb in a simple soda canan that brought down that russian passenger plane. the jet breaking apart in midair. brian ross is standing but tonight. > the concern back home in america. two flights over the u.s. making emergency landings. tonight, we've learned why they acted so quickly. >>> and after praising the attacks here in paris, isis saying an american city is next. so, this evening, how difficult is it to tck isis sympathizers at home? the 900 terror investigations in all 50 states. >>> and good evening from paris. and we begin tonight with that daring and deadly raid that lasted seven hours here in paris. we were there in the early morning hours today, s.w.a.t. teams showed up in the dark. a massive operation. and tonight, a french prosecutor saying they likely stopped another terror plot. new images tonight of the moment those teams moved in, deafening gun fire. thousands of rounds fifid. anddhe target the whole time, the man who authorities call the mastermind of the paris attacks.s. tonight, did they get him? also,