In 1858, He moved to Jefferson, Texas, in Marion County where he worked as a druggist and insurance agent.
By 1865 he was married with 3 children and had a prosperous estate, including 125 acres of farm land and 5 slaves.
[1][2] Due to his status as an old-line Whig and avid Unionist, Campell became politically prominent during the Reconstruction era.
He would later be elected as a delegate to the constitutional convention of 1868 and 1869, replacing the seat of Aaron Grimsby.
District Judge Colbert Caldwell ruled Campbell had committed no crime and ordered for his release.