Jamie Corley and Dean Plocher

Jamie Corley, left, and Dean Plocher are two of eight candidates running in the GOP primary for secretary of state.

Two of the eight Republican candidates for Missouri Secretary of State launched TV campaign ads this week, hoping to break away from pack in the final two weeks before the Aug. 6 primary.

Jamie Corley, a longtime Republican political operative from St. Louiswas first on the air, launching ads in three markets on Monday.