medicalkidnap.com/2016/12/28/south-florida-police-assault-business-owner-who-refuses-to-give-his-name-to-cps/
NEVER open the door for the police. If they truly have the right to enter they will break down the door. Notice how he opened the door to talk to them and they then pushed their way in. Once they are in they will not leave.
NEVER open the door!!!