May 23 marks the 80th anniversary of Bonnie Parker and Clyde Barrow's death. The outlaws inspired the notion of a "ride or die" mentality after their infamous string of robberies and murders in the early '30s. While the couple was eventually gunned down by Louisiana police after two years on the run, they went on to inspired countless copycats with similarly criminal values. Although Jay Z and Beyoncé may have claimed back the throne with "Bonnie and Clyde '03" and the follow-up "On the Run (Part 2)," Jay and Bey have nothing on the seriously warped couples that came before them. Here are 10 of the most ruthless criminal couples: reserved strictly for folks who are "about that life."