article_snippet.sent: Out of prison and free to stroll around Ireland's capital, this is the notorious 'Black Widow' killer who murdered Black Widow' .
article_snippet.sent: Ireland's most infamous woman prisoner went largely unnoticed as Catherine took the bus unaccompanied after leaving prison - with an unsuspecting female commuter sitting down next to Catherine - according the Daily Mirror.
article_snippet.sent: Co Wicklow, in March 1996.
highlights_snippet.sent: 62-year-old was seen on the bus, with a pal and walking around in Dublin .
  
highlights_snippet.sent: Sat next to unsuspecting commuter on bus and went totally unnoticed .
  
highlights_snippet.sent: Ireland's most infamous female prisoner murdered husband Tom in 1996 .