When Stillman and Jeffries interview Michael and he tells them about the necklace, they bring up Toomey had that same one, but they weren't the ones who interviewed Toomey earlier, so they wouldn't be able to know that.
However, obviously all the cops share the information about the case. Vera and Miller talked to Toomey and then pitched all the intel with the rest of the team. They work together.
However, obviously all the cops share the information about the case. Vera and Miller talked to Toomey and then pitched all the intel with the rest of the team. They work together.
Gibby refers to Maddy as a freshman at the time of her death. Five years later they interview her classmate Michael at the same high school. Assuming he now a senior this would mean she was in 7th grade when she died.