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.

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.

Republican Sen. Mike Lee deleted his controversial social media posts about the assassination of a Minnesota lawmaker and her husband after several people criticized the Utah Republican for his comments.