Shamrock Rover
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Why not Mental? Shamrock. The first clue still exists. If it's better than the Plesenov solution, wouldn't it be better to use it.
Is the first clue about the deer? I don't really like the Mental solution because there was a lot about basketball during the murder, and a bottle of Jagermeister with basketball doesn't really fit. On the other hand, much later, we found this basketball club. There's a green deer face, and everything fits together very well. I think the solution lies somewhere here, but we haven't found it yet. And there's not much time left until the end of the day, so it's better to have a bird in the hand (the Plesenov solution), in my opinion.