If there is more than one murderer, then Abby is very suspicious, and it is possible that she is a schizophrenic patient (as expected, CM sees many )? And his money boyfriend is an accomplice?
It is also possible that those people who were not from the island knew that there was such a murderer 7 years ago, so they murdered in his name? (This is the style of Jin Tianyi again)
Just pretend I didn't say anything...
PS. I think Abby's ex-boyfriend Jimmy is very suspicious
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