This ex-marine was not "murdered." The police obviously announced themselves, and he still stood there with a gun pointed at them.
There has been a LOT of speculation going on in this thread (and elsewhere, that has gotten dragged into this thread). A great deal of it has been found to be wrong. But the truth is we don't know exactly what details may have informed the decisions made by all parties on both sides of this event.
One of the major themes of speculation here is that the deceased was a man of exemplary moral character, obvious through his clean criminal record, who was utterly surprised to be awoken by a police raid and who could never have expected to find police officers wanting to search his premises. Therefore he surely prepared to fire on them in the mistaken belief that they were criminal home invaders.
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Unfounded Speculation Alert:]
But ... if I lived as part of a physically, and one assumes socially, close circle of extended family and friends, who came and went at my house regularly, and (as searches of the other properties that morning give us strong reason to believe) who are involved in narcotics trafficking/distribution, I think it is reasonable to assume that I'd know or at least suspect that they were so involved.
If I know or suspect that these people (my brother, close associates, etc.) are dealing drugs, and they are regularly visiting my home, and I theirs, it would be probably wise for me to think of unfortunate events like police officers detaining and arresting my family members (and maybe me too), and searching their homes (maybe mine too) as likely to happen. These things come with the territory of drug involvement.
(As do violent encounters with OTHER folks involved in the drug business ... which adds an interesting possible wrinkle to what happened.)
If I'm wise and aware, I believe I should be thinking ahead of time about how to deal with very animated meetings with law-enforcement officers -- because they are very likely to occur, given my family's activities.
IF all of those things are true, when men in black outfits with "POLICE" written all across them arrive in very noisy vehicles and bang on my door -- what should I do? If I decide to grab my rifle and say something macho like,
"I've got something for you!" ... what could that say about me?
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/Unfounded Speculation Alert]
I only write this because it's been nagging me all morning. We've assumed at every turn that this man was not only uninvolved with the "family business" but unaware of it and squeaky clean. And, that his actions were the result of a sleep-befuddled misunderstanding of what was happening as he could have had no possible reason to suspect that the police would ever come knocking on his door.
That may be true. It is one possible reality that could be supported by the facts of what happened. It isn't the only one. We've flocked to the deceased's posthumous defense assuming our best-case beliefs about his position are true -- putting our own lily-white innocent, upstanding selves in his place. We may be wrong.
Jose Geruena was one of three men (along with his brother and an associate) listed on the warrant. It is absolutely possible that this may have been a completely legitimate search, that he
was implicitly involved in criminal enterprise, and that he resisted what he believed was a totally legitimate arrest proceeding. The facts that he had no prior record and that no drugs were found in his home don't elilminate that possibility, at all.
We don't really know why he grabbed his gun or what he thought was happening, or whether he would indeed have killed men he knew to be police officers. Speculation is a hugely two-edged sword.