Motive is the big question. Alternatives:
1) Antivaxer seems to be the most often proposed explanation. But it makes little sense for a 40-smething year old licensed pharmacist to be into that.
2) Anti-Trumper who wanted to cause the vaccine to fail to discredit Trump. Plausible, since Dems actually are that craven, and we’re talking Milwaukee.
3) Bribed or part of a financial scheme to profit by major negative news about this particular vaccine. That could be short-sellers positioned to profit from a stock price crash; or, investors holding positions in a competing company’s vaccine product that will gain market share.
4) Other plausible ideas.
This batch was for inoculating the hospital staff, i.e. his coworkers. Maybe he hates them and his job. Does seem a weird action for a pharmacist.
He took the vials out 2 nights in a row. That was double-intentional.
Divorce - anger towards women. If his facility is vaccinating by unit, as a pharm, he would know which units were due for shots
I’d also be looking at the recent deaths in the hospital, either from overmedication or undermedication of compounded formulas