What if the killers were accompanied by KR? That's why they were let in because he was with them. Whether he brought them in for whatever reason or he was forced. They do what they need to, head back to KRs with the loot. Take Kenny out, and throw the cash at his feet as an added FU and here's your share..
Just my opinion at the moment. Subject to change any time. I may watch too many movies.
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