When Lisbon and the team enter the crime scene at the beginning of the episode, they touch and pick up things without gloves on, thus contaminating the crime scene.
At the end, when explaining how he knew the wife had lied, Patrick said the wolf in "Peter and the Wolf" is the bassoon, not the duck as the wife had stated. The wolf is actually the French horn whilst the Grandpa is the bassoon.
Patrick states that anyone who had seen Peter and the Wolf would remember what the Duck was. Personally having listened to Peter and the Wolf, unless a person has photographic memory, they would still get confused as to which character was what instrument.
Adrianna informs Jane and Lisbon that she and Jason Sands planned run away on 'the sailboat', and that Jason was a good sailor who would teach her. Sands' boat is a flybridge motor yacht, not a sailing vessel.