In the scene where Todd is at the London docks watching people disembark from the ships he offers his services to one man. The man asks him, 'Is your shop near here Mr Todd?'. Todd replies, 'Just around the corner.'
Yet he was Sweeney Todd, barber of Fleet Street. The nearest docks to Fleet Street are just beyond the Tower of London, a mile and a half away. Hardly around the corner is it?