Brian knows deep down that Amanda's father is innocent, but he still doesn't know who the killer is. He has his suspicions, but is not sure if they are worth anything.
I know Amanda's dad is innocent, he would never murder his family. Amanda always loved it when she saw him!
Brian remembers running into a jogger in a grey sweatshirt, and when he apologized, the jogger didn't say anything. Brian wants to know if the jogger is involved with Amanda's murder, but he has now way of knowing unless he gets involved in the crime much deeper, which his father doesn't want.
Brian wants to keep his friendship with Julius, and have the basketball team win the championship, but Julius' new attitude cause thing to be hard, off and on the court.
When Brian and Todd are presenting for their History project, Brian has a little freak out because he is seeing the connections between Amanda's Murder and the murder that Todd and Brian were researching.