You know how the left tries to blur the lines between legal immigrants and criminaliens? They’ll refer to an immigrant in a story, and you have to infer its a criminalien.
Same here and everywhere with legal and illegal weapons. The article and articles like this never mention illegal possesion of a firearm. The only hint was one phrase - a felon with a weapon. But most leftists will glance over that, and lump good weapons with bad ones, because their agenda is no guns for anybody (other than the illegal ones).
The assault rifles that the police had were “good”, not the “evil” rifle used in the school shooting.