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score-settling =?

Context:

Meanwhile, local police tell Reuters the nightclub victims weren't wealthy, and the manager of a downstairs bar says locals understand the demonstration was part of drug score-settling. No arrests have been made, the Associated Press says.
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It's about taking revenge.
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settling of "accounts"
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FlagofFreedomscore-settling =? Context: Meanwhile, local police tell Reuters the nightclub victims weren't wealthy, and the manager of a downstairs bar says locals understand the demonstration was part of drug score-settling. No arrests have been made, the Associated Press says.
To settle a score means to get even or revenge. If gang A got shot at for territory rights by gang B, it has a score to settle with gang B.
 Marius Hancu's reply was promoted to an answer.
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