Where I worked it’d be very easy to tamper with. First of all I was a temp, when you showed up you assigned to a line. It was different. If you didn’t like your line, you could ask the supervisor to switch. They did. There was no record kept of where you went on the line or if you switched.
And even if you didn’t switch, it’d be easy to pull pills, tamper with them and keep them. Then days later, or weeks later, you’d ask your supervisor to got to the rest room and then you’d walk pass the line, where you aren’t working and just say hi to one of the workers and slip the pill into the line there.
Of course the contaminated pills would be in a batch number. That would be very easy to trace back and in theory you should have a list of workers on that line, but the lines were not static.
For example, I was on a line and I was fairly quick, so they pulled my co-worker and had him pack on another line for an hour then put him back with me. He is still on record as being on my line, not on the packing line.
Finally we were temp workers, when I read the line ups it’d be line
John Smith, Mary Doe, and 3 agency.
Agency is temp workers, so the factory isn’t recording workers names, but just the fact they came from the temp agency. The supervisor from the agency had a list of workers but I don’t know if they kept it. It certainly wasn’t accurate though.
For instance, if I was put on line 3, the factory manager could pull me and put me where he saw fit. Many time the temp supervisor would be looking all over for a worker, she put on one line and someone else moved