Plus it’s only the author’s supposition that he used his home to store this stockpile of weapons anyway. He could have property elsewhere, be renting a storage container or something.
Per his brother’s account, he would often leave home and drive to Vegas. Who’s to say that’s where he actually went, as opposed to where he just said he went?
Investigations can take time to pull together all the details. Calling ‘conspiracy’ because all the pieces of the puzzle aren’t in place after just 48hrs seems a mite premature.
You need to read the police and sheriff’s reports more closely. His home was filled with guns and explosives makings.