The Democratic senator from Minnesota and others implored the Utah Republican to take down his "cruel" social media posts and apologize to the victims' families.

Mike Lee (R-UT) was among the worst culprits of trying to muddy the waters around the weekend assassination spree of Vance Luther Boelter in Minnesota – and Sen. Tina Smith (D-MN) was having none of it.

After a longtime Minnesota state lawmaker and her husband were assassinated over the weekend — and another legislator and his wife were hospitalized after being attacked by the same shooter — Sen. Mike Lee (R-Utah) joked about it on social media.