 McNulty studies tide charts as he attempts to prove where the body was dumped into the water; he types up a report and faxes it to the county homicide unit.Rawls and Landsman immediately realize McNulty's involvement when the case is passed back to them.Roland "Prez" Pryzbylewski meets with his father-in-law, Major Stan Valchek, wishing to stay in Narcotics and work cases like the recent Barksdale investigation.