The lock on Mr Rowley's front door is friendly to terrorists, as it prevents the security services from legally entering his unlocked property without a warrant. You never know what he might be hiding!

Perhaps he should do an open house, in the nude. Only then can we be safe from this potential predator. He locks his door! He must be hiding something sinister. The evidence - his use of a technology to restrict access to information about his self - points to a guilty conscience.