The article says they were playing the roll of 'rowdy teenagers'. From that you would have everyone leap to the conclusion that he knew they were cops?
Tell you a story....just a couple of years back, I believe it was in the state of Louisiana, and it was certainly after so many of these 'wrong address' bust in and shoot and kill events occured....a couple's home was busted into by dark clothed men....eventually, it was determined it was LEO--and they had the wrong address.
Just a couple of weeks later, the same thing occurred...the couple wasn't too worried, though, cause it had just happened and it was 'the good guys'. Well....as luck would have it, it wasn't the 'good guys' this time....they murdered the man and all enjoyed a romp with the wifey before being the living hell out of her.
Maybe he didn't know they were cops. There is evidence that may be the case. Anyone who can't understand that missed the gene pool entirely when he tried to dive in..
But, that's true of most of you who enjoy your slavery.