I think he is lying. I would bet getting hard at schools is something Biden knows all about.

"President Joe Biden isn’t interested in “hardening” schools to undo their soft target status in the wake of the Uvalde elementary mass shooting, but would rather continue attacking the Second Amendment, White House Press Secretary Karine Jean-Pierre said Tuesday.
“The president said yesterday that he believes Sen. McConnell is a rational Republican. Sen. McConnell said today that the group of lawmakers that are talking about guns in the wake of Uvalde are talking about the problem which is, quote, ‘mental illness and school safety,’” Jean-Pierre was asked during a White House press briefing by CNN correspondent Kaitlin Collins. “Does the president agree that that’s the problem here?”

https://www.infowars.com/posts..../white-house-press-s

https://twitter.com/i/status/1531725047949303811