Should You Kill The Fat Man?

Try this thought experiment at The Philosopher's Magazine:

This activity is a treatment of some of the issues thrown up by a thought experiment called 'The Trolley Problem', which was first outlined by the philosopher Philippa Foot, and then developed by Judith Jarvis Thomson and others. But before we start properly, we need to ask you four preliminary questions so we get a sense of the way that you think about morality.

Should You Kill The Fat Man?