My point was that you have taken care perfectly of the problem when Phil detained Nadia to push the button on the cellular phone. I was expecting that would have been Sidewinder to do that, scrambling the communication, but it's the same. The police had NO way to know they had to come there,

Look, I am not saying that the police was to be used; I was not expecting it at all. I was not expected to have Nadia coming out as a winner, obviously she will NEVER be able to bring Ozzy to justice (as the ending of this subplot is bringing Nadia on the team, not Ozzy out of it).

I was going with Pro request to buy time until he was going to do the post where Nadia would reveal why he killed Drake; else I would have done a very different post.

As for why I did negate (?) Sidewinder keeping the police out of the general area, I don't know how much that area could be; I hope it was nothing more that the block, else an invisible force centered over a place that keeps police force out of a visible portion of the city would just mark the spot, not keep them under the hood.
Also, I don't think he would keep police away from a bank robbery where there are hostages and such... or maybe the arrival of the police was contemporary of the attack, when he was largely distracted...