[4] Walling had also served as U.S. Rep. Dale E. Kildee's Field coordinator and worked to get out the vote for National Voice.

[6] On August 4, 2009, Walling won the special general mayoral election over Genesee County Commissioner Brenda Clack to replace Williamson after his resignation.

Poplar was fired from her job as Genesee County Community Action Agency Director in 1999 and convicted of a felony which was later expunged.

[9] On October 26, 2010,[10] the Karegnondi Water Authority Board of Trustees met for the first time with representatives from the incorporating counties and cities.

[14] His authority as Flint Mayor was superseded by the appointment by Michigan Governor Rick Snyder of Michael Brown as the city's Emergency Manager on November 29 effective December 1.

[16] On July 1, 2014, Walling as mayor was given operating authority over two city departments, Planning and Development and Public Works, by Flint emergency manager Darnell Earley.

The Imagine Flint Master Plan now serves as a guide for City operations and a blueprint for new developments.

[22] In late 2014, Walling became an instructor at the University of Michigan-Flint for its fall semester teaching POL 324: Seminar in Applied Politics – Institutional & Leadership Practices.

[24] After the switch was made, residents immediately complained about the smell, taste, and color of the water, as well as skin problems after bathing.

[30][31] On Monday, January 29, 2018, Walling declared that he was a candidate for the 49th District State House seat to replace term limited Phil Phelps.