To be fair, it seems that in the real world lots of PD and SWAT teams raid the wrong houses....kill people doing it too and then go "oopsey QI" and move on.
The room occupant will sue, get paid of course from the taxpayers, not the various law enforcement agencies involved. No one seems to ever be held accountable.
"The Posse Comitatus Act bars federal troops from participating in civilian law enforcement except when expressly authorized by law. This 143-year-old law embodies an American tradition that sees military interference in civilian affairs as a threat to both democracy and personal liberty."
To be fair, it seems that in the real world lots of PD and SWAT teams raid the wrong houses....kill people doing it too and then go "oopsey QI" and move on.