Thanks, blondie. I knew of the policy regarding criminal law when I was in during the 70s and 80s. I knew one bro who was ex-Mafia and another who was ex-gang member. Both had committed serious crime before conversion but did serve as elders (a little different from what that letter said). The thinking was that since Jehovah had forgiven them, who is the organization to question Jehovah's mercy?
Once that practice was in place, it is easy to see that when the child abuse problem came along, the same "don't tell" policy was adopted. Then when the "no reproach on Jehovah's name" dynamic is factored in, voila, we see the reasons behind the policy that has got them in such hot water now.