Harris met with a group of 200 supporters Thursday morning to say he'll officially announce his campaign on Oct. 2. He also announced his future campaign co-chairs, including former Rep. Robin Hayes (R-N.C.), who's also a former party chair with deep ties to the state's donor community.

The reverend been actively moving toward a run for months. Harris sent out a letter to supporters earlier this summer touting his social and fiscal conservatism and interventionist foreign policy views, and has been working with Tom Perdue, a top consultant to  Sen. Saxby ChamblissClarence (Saxby) Saxby ChamblissLobbying World Former GOP senator: Let Dems engage on healthcare bill OPINION: Left-wing politics will be the demise of the Democratic Party MORE's (R-Ga.) who has also worked for Hayes, to set up a campaign.

The minister could have strong appeal for North Carolina's large evangelical community, if he can raise the funds necessary to be a serious contender in what's shaping up to be a crowded GOP field.

North Carolina state House Speaker Thom Tillis (R) is already in, and North Carolina state Senate President Pro Tempore Phil Berger (R) has recently ramped up expectations that he'll run with a statewide ad touting his work on voter identification legislation.

Hagan is a top GOP target, but recent polling shows her leading the little-known Republicans by double-digit margins.

This post was updated at 2:10 p.m.