If I saw a new account opened in my name I would be pretty concerned and would probably come back to this post for advice. However, is it necessary to get be this thorough (going to the police, etc) for things like incorrect tradelines in your report? When I first requested my free reports a few years ago all three had multiple tradelines that were not mine and two had a similar situation as Patrick's - namely an acc…
It's a relatively small price and additional amount of effort to protect you in a situation that can be very important to you financially for a long time. What if 20 years from now those accounts are reopened in some credit report?
Also just anecdotally, but I bank with Chase and their customer service has always been so terrible, I'd expect all these to happen to me.