Detectives employed lip readers in order to spy on the men suspected of involvement in the Hatton Garden raid as they met up in a north London pub a court has been told.
Carl Wood, 58, of Elderbeck Close, Cheshunt, Hertfordshire; William Lincoln, 60, of Winkley Street, Bethnal Green, east London; and Jon Harbinson, 42, of Beresford Gardens, Benfleet, Essex are accused of conspiracy to conceal, convert or transfer criminal property.
Hugh Doyle, 48, of Riverside Gardens, Enfield, north London, faces the same charge, as well as an alternative of concealing, converting or transferring criminal property between April 1 and May 19, this year.
All four have plead not guilty, the masterminds behind the heist Brian Reader, 76, John "Kenny" Collins, 75, Daniel Jones, 58, and Terry Perkins, 67, previously pleaded guilty to conspiracy to commit burglary at Hatton Garden Safe Deposit.
The proceeds of the burglary was hidden behind skirting boards and in kitchen cupboards in the co-defendants' houses, and some had been sold for "sizeable sums of money and some had been hidden in a cemetery in Edmonton".
After detectives became suspicious about their involvement in the raid, expert lip readers were also deployed to a pub where the men met.
Police later dug up two bags of jewellery that had been stashed under the memorial stone of the grandfather of Jones's children, in Edmonton Cemetery, the jury heard.
Trial continues.
