Waller County News D.A. announces addition of Investigator Rachel Hillsman Valis April 3, 2023April 3, 2023Waller County DA Waller County District Attorney Elton R. Mathis swore in Rachel Hillsman Valis this morning as the newest Waller County District Attorney Investigator. Rachel grew up in the Brookshire/Pattison area and…Continue readingD.A. announces addition of Investigator Rachel Hillsman Valis