Our xbox was stolen, it has been reported to the police but I was wondering if I would be...

There is no way to prevent someone with an independent accounts from signing in on the Xbox, you should make sure that the police have the serial number so they can work with Microsoft to potentially locate it

Yeah, if something gets stolen, call the police. You'll also want to change the password(s) on your account(s) so they can't be accessed from the stolen Xbox. You may also wish to contact Support and report the stolen console/ accounts just in case credit
card info has been used, or something's been done on or to the account that would get it banned.

You would need to inform the police that your property has been stolen.

Sorry the police aren't able to help there. I'm afraid that only the enforcement team would know why the console was banned and they don't release that info and if it was banned that would nullify any warranty that may have remained.

As for if it's stolen you would need to check your local police to see if the console's serial number has been reported.

my xbox has been stolen since 3 or 4 years ago i actually reported everything to the police they never could find it i have the account and everything it would be great if you guys help me out to find it . this person took 1000$ worth on a tv and some other
2 tvs and a wii console