Not sure if y'all get raccoons up that far. Sounds like some of their type of shenanigans.
Yeah, put aluminum foil streamers on the top line of the fence. That'll distract, confound raccoons. Deer might also try craning a neck over a fence for succulents. Sage seems to have a reputation for fending them off. Worst case, you got a Dadoist Hillbilly custodian coming out of the WV hills to nip your beans off for reasons akin to black olives and sardines on pizza pie, and the price of thousand-year-old eggs. Him, you leave out a live catch trap for, a red bandana soaked in ice water ought to do.
In case you're a new reader, ... polymaths is fun, especially the self-taught variety. Also, I had a nice treat this morning. Got a dirty 'nilla cappuccino with a shot of amaretto, omelette crêpe. This I had in the Unity Cafe, they played Cafe Cubano music as I visited. It was a good wake up for an American mutt like me.