His achievements as an international war criminal may overshadow his accomplishments at making Americans more likely to die at the hands of fundamentalist killers:

While the British terror suspects were hatching their plot, the Bush administration
  was quietly seeking permission to divert $6 million that was supposed to be
  spent this year developing new homeland explosives detection technology.

Congressional leaders rejected the idea, the latest in a series of steps by
  the Homeland Security Department that has left lawmakers and some of the department’s
  own experts questioning the commitment to create better anti-terror technologies.

Homeland Security’s research arm, called the Sciences & Technology Directorate,
  is a "rudderless ship without a clear way to get back on course,"
  Republican and Democratic senators on the Appropriations Committee declared
  recently….

Rep. Martin Sabo, D-Minn., who joined Republicans to block the administration’s
  recent diversion of explosives detection money, said research and development
  is crucial to thwarting future attacks and there is bipartisan agreement that
  Homeland Security has fallen short….