 At this time, Walker was considered Denisson's black lieutenant and called "King of the Midway".It was claimed that the services Walker provided Dennison's political machine included ballot stuffing and registration falsification.It was also suggested that Walker installed an opium den in the basement of the Midland

In 1898, Edward Rosewater, a friend of Dennison's, withdrew political support for Walker as candidate for the State House of Representatives but only after Walker had supported Rosewater.