Everyone in the congregation eventually found out what the details were ...
Pete ...
Most people already knew before the official letters were read what was going to happen. Elders wives or more often, family members of the people involved simply talked about it.
Regarding the "giant book bags have locks on them," I guess I was a bad teenager. I knew where my father kept the "good" stuff in his book bag and generally knew more about what was going on than most others in the congregation.
Rub a Dub