Almost two years ago:

Planned Parenthood shooter ‘happy’ with his attack
Trevor Hughes, USA TODAY Published 9:30 p.m. ET April 11, 2016 | Updated 7:14 a.m. ET April 12, 2016
“….[Robert] Dear was carrying four Soviet-style SKS semi-automatic rifles, and shot from inside the clinic at propane tanks he’d set out as improvised bombs, although they didn’t explode as planned…”

Yesterday, via Twitter from Representative Stacey Newman (D):

RepStaceyNewman @staceynewman
And I’m with my #moleg seatmate and my Congressman @LacyClayMO1! #BanAssaultWeapons
[….]
12:52 PM – 2 Mar 2018

A response from a republican staffer:

Tom Estes @TomJEstes
Should we ban the assault weapons used at Planned Parenthood? #moleg
[….]
3:49 PM – 2 Mar 2018

Uh.

Tom Estes
@TomJEstes
Christian. Man. Husband. Father. Preacher. Conservative. Pro-Life. Traditional marriage. #MOLeg Senate Staffer. God’s opinion is supreme. Personal Account.
Jefferson City, MO