[chopperman]

One would think that the ones who did return could have given us names of others that they saw in prison that did not return.

[BIGLOOK]

See #22 and click The Smith List.

[Freee-dame]

One would think that the ones who did return could have given us names of others that they saw in prison that did not return.

I doubt that they kept any prisoners known by other prisoners to have been alive at the time of their release. It is more likely that they some kept some in isolation or in small groups in remote locations.