London - A British woman who sent her life savings to a con man she met on an online dating site, has been convicted of money-laundering for unwittingly passing money to him from other victims.Sherroll Foster sent £65 000 to a man she knew as Mark Hamilton. He said he was a businessman who needed extra money to release £4m in gold deposits in Ghana.Foster drained her bank account, used credit cards and got loans to give him more cash. Eventually he persuaded her to transfer money from other women through her bank account.Foster was charged after other victims went to the authorities. She admitted money-laundering at a court hearing on Monday and was ordered to repay £3 500. Police say "Mark Hamilton" has not been traced.