Agreed! This plot is not plausible for any stretch of the imagination. It's obviously written by people who aren't acquainted with real life identical twins.

Hahaha she's great, she can see right through their dumb Parent Trap shenanigans. Since she's known them since they were young, I'm guessing she's known alllllll along too, for years.

Hahahaha exactly what I was thinking. I get Sheriff did this deliberately because she suspects what's happening and wanted to put her on the spot but it would have been slightly more believable if the light were on and a puff of steam came out the room 😂