A man arrested in connection with the murder and kidnap of oil executive Carole Waugh has been charged with four counts of conspiracy to commit fraud.
Nicholas David Kutner, 47, of no fixed abode, is accused of pretending to be Chris Waugh, Ms Waugh's brother, in a bid to sell her London home.
He also faces two charges relating to renting her property at Tressard Court and a fourth of unlawfully withdrawing funds from the 50-year-old's bank account.
Miss Waugh, originally from Durham but living in London, had not been seen by her family since mid-April.
Her body was found with a single stab wound inside a car at the garage in Lime Court, New Malden, on Thursday night.
Ms Waugh had lived and worked in Libya for a number of years, but returned to London in 2008 and would regularly visit relatives in Durham and Cumbria.
Her former boss, Stuart Anderson, told journalists she had fled Libya after being threatened by someone in Colonel Muammar Gaddafi's regime, but a Scotland Yard spokesman said inquiries are focused in London.
Detectives said she met men through a variety of internet sites, including dating websites, and they were investigating the possibility that she might have been an escort.
So far, a total of 10 people have been arrested in connection with the inquiry into Miss Waugh's disappearance.
At least three women have tried to pose as her since she vanished, police said.