Can I tell you a secret?

Can I tell you a secret? Episode six: the winding clock

As the years tick by, journalist Sirin Kale speaks to victims and those who know Matthew to ask whether his stalking will ever truly end

It starts the same way... A seemingly innocent message from someone who appears to be a young woman: ‘Can I tell you a secret?’ But as this six-part podcast explores, people are rarely their true selves online – and one man took it much further. What happened when this cyberstalker wreaked havoc across the internet and ruined people’s lives. And why did he do it?Can I Tell You A Secret - a Guardian podcast series about obsession, fear, and the lives we lead online