3.1 Watching the crime
Watch the following video.
How did the crime unfold? Did it match your predictions about what took place?
The crime was staged as part of a collaboration between The Open University and the BBC and filmed using hidden cameras. The perpetrators, security guards and Liz were all played by actors. The witnesses – you will see that there are more than just two – were members of the public who volunteered to participate.
Next, you will find out how well the Greater Manchester Police managed to work out what happened.