An electrician was convicted of murdering a wealthy Wall Street banker, following bombshell evidence from a British nanny.

A British nanny to the sons of a murdered Wall Street banker has dropped a court bombshell, claiming that the prime suspect – who later married the victim’s wealthy widow – confessed to the killing.

A man who fled to Britain with the wealthy widow of a banker he is now accused of killing threatened the children of the lawyer prosecuting him, a court heard.

An electrician who moved to Britain from America with the widow of a murdered millionaire bought several stun guns like those used to torture the wealthy investment banker before he was killed, a court heard.

An electrician who moved to Britain from America with the multi-millionaire widow of a murdered investment banker was today remanded in custody charged with the killing.

A British nanny has been left €627,000 and the lifetime use of a seaside mansion by the wife of a murdered millionaire US financier.