Caller claimed to be County Sheriff and were coming to my house to do a "Lock Down"

this call came through and was using a black box to fool customers into calling back!
the real company name is " GREENTREE" ! !

Got call AT WORK about coming to do an INSPECTION AND LOCK OUT by a RUDE individual.  It is a third party collection for GREENTREE.  The women are rude and uneducated and using their position to ABUSE people verbally, emotionally, etc.  I wish we could catch them.  I am going to file charges as soon as I can find out who they are!!