It's easy to group hitman movies into our list--they are technically serial killers, after all. Making this a fun entry to our batch, the sexiest actor ever, Alain Delon, saunters through the shadows ...

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Cinema draws much of its power from letting us witness things we wouldn't otherwise see in real life. Thankfully, most of us will never encounter serial killers in our day-to-day lives, but we sure do ...