The man who calls himself the "only candidate for federal office whose campaign exposes visual evidence disproving the official conspiracy theory of 9/11" is challenging U.S. Rep. Peter Welch (D-Windsor) in the Democratic primary for the state's At-Large Congressional District seat.

And if history is any indication, Welch can expect to face Montpelier resident Craig Hill again in the general election even after defeating him in the primary.

Hill ran in the Democratic primary for U.S. Senate in 2004 and lost to U.S. Sen. Patrick Leahy (D-Middlesex) who received 94.3 percent of the vote. After losing the primary, Hill then challenged Leahy as a Green party candidate in the general election and finished fourth with 1.3 percent.

In 2006, he again ran in the Democratic primary for U.S. Senate and drew just 1.3 percent against then-U.S. Rep. Bernie Sanders (I-Burlington), who received over 94 percent as a write-in candidate. Hill then ran as a Green in the general election and drew just 0.5 percent of the vote, finishing fourth.