3x3 - Blue Murder

When Amber Watley calls to report the body of a young man by the tracks, the squad immediately moves in to investigate, but it doesn't take long before Weeks and Gillam realise that there is no way it happened the way that she said it did. As the squad continues to investigate the death of Donnie Tenio, they soon discover that the problems in the group of teens go far deeper than they could have imagined.