he said. the dni went on to say that in order to prevent these attacks the intelligence community would have needed to be heavily monitoring social media pages o americans and that's something u.s. citizens would not tolerate. >> catherine, thanks. >> the younger bombing suspect could still face separate charges for the shooting death of a police officer at m.i.t. prosecutors in middle sex county, massachusetts, confirming they're building their own case. police say hours after the fbi released photos photos and videf the suspects, the two men apparently gunned down an m.i.t. of, sean collier in his cruiser. police confirmed they do have surveillance videotape showing the suspects approaching the cruiser from behind, but other evidence, including possible witnesses, well, that may be scarce. so here to talk about it is heather hanson good, to see you. the feds were the first to file charges, charms which carry the