A number of woman were used to impersonate a wealthy woman, after she was murdered in her central London flat, the Old Bailey was told.
The court heard that at Rakesh Bhayani's instigation, who has been accused of her murder, the women pretended to be oil executive Carole Waugh buying things under her name.
Patrick Gibbs QC, prosecuting, told the jury:
They were rehearsed by Mr Bhayani, nursemaided by Mr Bhayani and usually accompanied by Mr Bhayani around London, and on the telephone, stripping Carole Waugh's assets.
More top news
London mayor Sadiq Khan is "extremely worried" about knife crime as Met Police revealed there was an increase in stabbings in the capital.
Camden police have responded to reports of an unexploded World War Two bomb in Hampstead high Street.
AFC Wimbledon face Plymouth in the League Two play-off final at Wembley, with a place in League One at stake.