Mafia 33. The American Dream

Stop. Look. On night 4, we had 2 kills, right? Traxis gave someone from the Mafia the serum. After that, the Mafia member couldn't work for 2 nights. That night, there was a clue with stars. The clue was given to Reinhardt. Does that mean he was the killer? So he couldn't work for 2 nights now. What kind of block is this?
Either Reinhardt wasn't the Imam, or this wasn't a scare tactic.