Video shows man shoot another man twice outside Naples store during day . Passers-by appear unfazed by shooting in neighborhood where organized crime is strong . As the victim buckles to his knees and then sprawls headlong on the pavement , the killer approaches him from behind and squeezes off a second round into the back of his head , turns and strides unhurriedly out of camera view . Score: 6 Italy 's Green Party offers reward for information on shooter and accomplice .
Video shows man shoot another man twice outside Naples store during day . Passers-by appear unfazed by shooting in neighborhood where organized crime is strong . Score: 6 Italy 's Green Party offers reward for information on shooter and accomplice .