Are you a psychopath? Warning signs include being manipulative, bullying your staff, spreading rumours about colleagues, believing rules are for others, feeling the end justifies the means and being turned on by risk.

Psychopaths often claw their way into senior management positions - and thrive in politics and the media.

While Harold Shipman is the NHS’s most notorious psychopath, the chances are that at some point in your career you will encounter one in your own organisation. This week HSJ examines psychopathic behaviour at work - what happens when a psychopath arrives in an NHS organisation, how to spot them, how they will try to evade exposure and what you can do about it.