Right, I'm sure that's what it was, they wanted Nick to be able to find the house himself to be able to strengthen the case.
I'm sure Aiuppa and Cerone were absolutely enraged. Plus Tony had gotten off scott free himself.
That is a bad spot to be in, when the bosses are going to prison for life, you are free, and they blame you for them going away.
In that light, hard to imagine it going down any other way.