I understand. However, Kalifornia has about 70 pages of anti-gun laws. Yet none of these laws stopped the San Bernardino shooting.
Mateen was a U.S. citizen. I am not in favor of stripping U.S. citizens of their rights. But it is my understanding that neither of Mateen's parents were born as U.S. citizens. The immigration error which allowed Mateen to be a U.S. citizen is now in the past and virtually uncorrectable.
I am very much against the lifetime prohibition against having guns for released felons. Creating second class citizens is a mistake which will come back to bite those of us who consider ourselves to be first-class citizens.
If whatever evidence the FBI had was insufficient to lock him up, then he gets the opportunity to murder innocents. If Mateen were not a U.S. citizen, then there might be value in figuring out how to deport such undesireables.
Perhaps a more concise statement on my part would have been if we allow what happened in Orlando to be framed by the left ( and many ion the right) primarily as a gun control issue without giving as much weight to the failed responsibilities of the feds, we will lose all the way around.