The following is hardly anything new, and for years now multiple other Christian denominations besides the Catholics have come out in favor of more gun control laws...
[presbyterianmission.org]
[religionnews.com]catholic-bishops-support-gun-control-measures/
Knighton is right on there...
Catholic bishop calls for new gun control after Nashville-
[bearingarms.com]
It's ok. Christians have a commandment that says: "Thou shalt not kill". So owning a gun makes no difference. If there are gun laws they should only apply to non- Christians.
Laws, rules, commandments - just words unless they are agreed to be followed. Criminals aren't going to heed any gun laws and would probably welcome the disarming of the general populace.
Politicians enacting those laws make sure they have protection, armed body guards for themselves and walls around their homes.
Quite right, the politicians sure don't care about the rest of us.