McLaurin broke with Tillman in 1894 and they became bitter enemies. Tillman accused him of accepting bribes from the Textile industry, which led to the famous fistfight between the two on the Senate floor on 22 February 1902. Both men were censured.[2]
McLaurin was elected In 1892 as a Democrat to the Fifty-second Congress to fill the vacancy caused by the death of Eli T. Stackhouse; he was reelected to the Fifty-third, Fifty-fourth, and Fifty-fifth Congresses and served from December 5, 1892, until May 31, 1897, when he resigned. He was appointed and subsequently elected as a Democrat to the U.S. Senate to fill the vacancy caused by the death of Joseph H. Earle and served from June 1, 1897, to March 4, 1903; he was not a candidate for reelection. In Congress, he specialized in fiscal affairs.
McLaurin practiced Law in New York City. He later returned to farming in Bennettsville and was Elected to the South Carolina Senate, 1914-1915. He was author of the State warehouse system for storing and financing cotton, and served as State warehouse commissioner from 1915 until his resignation in 1917. He died at his estate near Bennettsville in 1934; interment was in McCall Cemetery. His home, the Robertson-Easterling-McLaurin House, was listed on the National Register of Historic Places in 1984.[3]