Who is Tim Walz, whose name featured on shooter's 'hit list' left behind after Democrat leader Melissa Hortman's death?

Tim Walz is the reigning Governor of Minnesota and a Democrat leader who contested during the US Presidential elections 2024 as Kamala Harris' running mate.

source https://www.livemint.com/news/us-news/who-is-tim-walz-whose-name-featured-on-shooters-hit-list-left-behind-after-democrat-leader-melissa-hortmans-death-11749927789103.html