They were watching back Erika’s appearance on Crimewatch. Erika hated seeing herself on screen: her voice seemed higher, screechier. She was pleased, however, that the Met hadn’t upgraded their televisions to high definition. These thoughts, though, were just fleeting, at the back of her mind. What she really wanted to know was why the killer had responded to the broadcast in the way she had, assuming she’d seen it. They came to the end of the part where Erika was interviewed in the studio. ‘We believe she’s small in stature but we advise the public not to approach her. She is a dangerous and deeply disturbed individual,’ said Erika on the screen. The presenter then started to read out the email address and phone number to contact, which flashed up on the bottom of the screen. ‘So?’ asked Erika, turning to Tim Aiken. ‘There are many variables,’ said Tim, rubbing at his stubbled chin, the multicoloured woven bracelets on his wrist shifting as he raised his arm.