[GrootheWanderer]

The information cops presented to get a warrant says their undercover informant bought black tar heroin there and saw large quantities of the heroin there.

[Sans-Culotte]

The information cops presented to get a warrant says their undercover informant bought black tar heroin there and saw large quantities of the heroin there.

But was it at Harding Street or Hardy Street?

[zeugma]

The information cops presented to get a warrant says their undercover informant bought black tar heroin there and saw large quantities of the heroin there.

Since they didn't find any 'black tar heroin' after what I would guess that it's entirely probable that their oh so trustworthy 'undercover informant' made the whole thing up. Sadly, the two dead citizens have no recourse, because they are, well, dead.