Our society had evolved into one where we delegate (not surrender!) that obligation to our law enforcement agencies.
Our Law Enforcement Agencies have told us clearly, unambiguously and repeatedly that they are unable to do so.
Our courts have confirmed that Law Enforcement can legally do that.
Q.E.D.
We, the people, must be able legally to do the job.
Having law enforcement in SWAT outfits hauling off the dead, I'm afraid, does not satisfy the basic right to life, liberty and the pursuit of happiness.
Just saying.
If they want to make it illegal to defend ones life, that’s when silencers will come into common usage.
A robber breaks in, pfft, pfft, (double tap) one robber down, quietly get the shovel and dispose of the corpse. Being sure to plant ivy or some nice flowers to explain the freshly overturned soil.