sentences:  Keats unofficially assures Hunt's team that he will file a good report about them, before privately telling Hunt that he "hates him", "knows what he did three years ago" and will "dismantle the station around him".Also, the nature of Sam Tyler's death is raised by Drake and Keats.Drake conducts an unofficial investigation into the events and requests old witness statements and reports on Tyler's death along with the leather jacket Tyler was seen wearing during "Life on Mars".