The ballot drop boxes in Washington and Oregon both have fire suppression systems that are designed to activate when the temperature inside reaches a certain point, coating ballots inside with a fire-suppressing powder.
For unknown reasons, the system failed to prevent the destruction of hundreds of ballots in Vancouver, just across the Columbia River from Portland.
You can’t prosecute the meth out of a redneck, America has tried for decades.
There are people who have the basic mammalian capability for aversion association, and people who don’t, these morons are no more capable of learning than ants.
Don’t bother trying to set an example, just use enforced attrition.