This guy called saying he was a tech support person and my computer had been hacked. Yeah right.  So I told him I had to call him back; he gave me this number. Looked it up - a scam in which he tries to get information about your computer to install malware.  What, does he think I'm that naive?  I called him back, told him how easy it was to google his number and determine he was a scam, and told him to go (you know what) himself.  Looks like Miami area is ground zero for scammers.