I understand now, thanks for the info.  How can you tell if they are banned when it states activity was months after their reporting to be banned?
Since it's my only current option I will post the message here.

to:  stef_stef

I see that the BTC hasn't left this address
  1MJuFBK113sY3ayJRF7gHUnSK7KPKuSBJi
so I thought I'd ask if you'd be willing to return it?
  37ST476CwnD66QAEuhJHGiDu9Ek7ib871n