So by your logic, you seem certain he wasn't high while at work.

I can take my medicine and not get fired. Maybe he should switch to something other than weed.

I'm pretty sure there is other shit out there than weed for back pain that doesn't impair your ability to work.

The following day, after meeting with a maintenance supervisor and warehouse supervisor, Chance was operating a shuttle wagon on the railroad tracks when it derailed. He was asked to undergo a drug test, which was inconclusive, and underwent a second test a couple of days later.

So he had a workplace accident and tested positive.

$100 says he loses his case. Also, the case is supposedly about retaliation as much as the weed part.