Cole, 30, was busted by the FBI Thursday morning in connection to the attempted bombing, just shy of the fifth anniversary of the riot at the US Capitol.

Sources told The Post that investigators were looking into his possible connection with some form of “anarchist” writings or leanings, though specifics were not immediately known.

Authorities say Cole was the man caught on camera skulking around the capital city the night before former Vice President Joe Biden’s election victory was to be certified by Congress, leaving “viable explosive devices” outside the major parties’ headquarters in Washington, DC.

The video showed him carrying a backpack and wearing a gray hooded sweatshirt, mask, gloves, glasses and a pair of Nike Air Max Speed Turf sneakers.

The devices were found the following afternoon, just as Congress was convening to count the 2020 electoral votes — right around the time a violent melee broke out on the Capitol grounds among enraged President Trump supporters, who stormed the House and Senate chambers.