Jeremy was subject of a surveillance by the drug Squad, under a 28 day warrant which included a phone tap - this 28 day period expired midnight 3rd / 4th September 1985, a surveillance which commenced on the eve' prior to the tragedy, on 6th August 1985! Jeremy was followed home to his cottage at 9 head street, Goldhanger, by drug Squad officers, they sat parked up in undercover motor vehicles in the street outside Jeremy's cottage! The call from Neville Bamber to Jeremy was eavesdropped at around 3.25am, as was Jeremy's attempts to re-establish contact with Neville, and Jeremy's attempt to contact police at Witham police station, and his calls to Julie Mugford' at 3.30am and later another call that Jeremy made to PC West at 3.37am! Later, when PC West encouraged Jeremy to go to the farm where he would be met by police officers who had already been deployed to the incident, the surveillance team followed him back to whf at a discreet distance!