Quiz - who were these front page newsmakers?

  For a brief moment in 1979 local papers found an excuse to put these immigrant sisters on their front pages in connection with a high-profile crime committed by two brothers - one of whom was later shot dead in Plattsburgh.
   When brought in for questioning,one of these two alluring enchantresses told a crime reporter, "I don't want to go to prison. I don't even know what a prison looks like."
   Can anybody name who they were?