Why was Sully not in season 6?

Joe Lando wanted to leave after the 5th season, so it was planned that Sully would die falling down from a cliff.

Where is Joe Lando from Dr Quinn?

Joe Lando

What did Sully go to jail for?

What happened in the last season of Top Boy? Following on from the discovery that Sully was in possession of the gun that killed three people, the second season opened with the police discovering a body. Forced to deal with the repercussions, Dushane also attempted to stay ahead of his friend turned new rival, Sully.