Who planted the evidence in FP's house?
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13 "Riverdale" Finale Questions That We Desperately Need The Answers To

9. Who planted the evidence in FP's house?
Between the five seconds that Archie and Veronica left FP’s house to the moment Sheriff Keller busts in and discovered a gun hidden in the back of his closet, someone must have snuck in and planted the evidence. But who could it have been? Was it Clifford himself or did he hire someone to do it?