machine. >> narrator: frontline investigates the latest us strategy... >> bludgeon your opponent. kill and capture as many as you can. make them ask for peace. >> narrator: ...its impact and its risks. >> by launching those attacks, are we creating more militants than in fact we are killing? >> narrator: can this campaign of killing and capturing make the difference? >> it could take years. i mean, i don't think anybody knows. >> bin laden's gone. that creates the kind of space in which diplomacy might actually be able to make progress. >> narrator: tonight on frontline , "kill/capture." >> frontline is made possible by contributions to your pbs station from viewers like you. thank you. and by the corporation for public broadcasting. major funding is provided by the john d. and catherine t. macarthur foundation, committed to building a more just, verdant, and peaceful