Pipe bombs were left outside the Republican and Democratic headquarters The buildings, just blocks from each other, are less than half a mile from Capitol FBI released image of hooded suspect, wearing mask and gloves carrying object Comes after 81 arrested over riots at Capitol Wednesday which left five dead - another 36 suspects are being sought over vandalism, looting and inciting riot The FBI is offering a $50,000 reward for information about pipe bombs which were discovered at the Republican and Democratic committee headquarters in DC. The agency released an image today of a hooded suspect wearing a mask,...