The target, the one with the warrant, WASN’T HOME?!?
Nice stakeout, Full Blown Idiots!
Snafu.
Ran out the back door and they lost him. Sheesh.....
Of course, doing this signals to his whole network -- IF they know who he is in real life -- that they're blown. But if they don't know who he is IRL, then there may be any number of groups spooked into chatter or moving, just in case.