Here's how they could have gotten into the boat easily
By doing exactly the thing that they did in the end. Duh!
shareBy doing exactly the thing that they did in the end. Duh!
shareYou're right. Well deduced. It was an elaborate murder plot by the two surviving members. Quite ingenious. Quite, quite ingenious.
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https://www.youtube.com/watch?v=Qssvnjj5Moo