And if they can't find the person who made the call to charge them for door repairs, then they shouldn't have busted down the door (and should pay for the repairs).
Over here (Greece), anonymous reports are generally given very low priority, to the point where if someone anonymous reports a suspicious vehicle, the police might not even investigate. A report by an eponymous reporter does generally get investigated, though, because there's a lower likelihood of the report being frivolous.
