what information about Jim did Tom know all along? 1. Jim had already been set free in Mrs. Watson's will; 2. Jim was actually related to aunt polly; 3. jim was actually a con-man who was wanted by the police; or 4. jim killed huck's father.

Based on the given options, the information that Tom knew all along about Jim is:

3. Jim was actually a con-man who was wanted by the police.