[Kazan]

There was certainly proof they possessed illegal drugs and that, alone, gave police the right to enter:

https://abc13.com/disabled-veteran-and-wife-killed-in-shootout-with-police/5110865/

Police recovered two shotguns and three rifles from the residence and seized marijuana and a white powder they believe to be either cocaine or the powerful synthetic opioid fentanyl, Acevedo said.

[G Larry]

You must not have read the posted article.

The "confirmed buy" was from an 'informant'. (thin basis for warrant)

The only confirmed substance found was marijuana.

None of the weapons were even semi-auto.

The allegation was black tar heroin....none of which was found.

The plain clothes cop started the gun fight by shooting the dog.