<description>The journalist &lt;strong&gt;Patrick Radden Keefe&lt;/strong&gt; on trying to unravel the double life and tragic death of 19-year-old Zac Brettler – and what it tells us about London’s dark underbelly. Help support our independent journalism at &lt;a href="https://www.theguardian.com/infocus"&gt;theguardian.com/infocus&lt;/a&gt;</description>

The journalist Patrick Radden Keefe on trying to unravel the double life and tragic death of 19-year-old Zac Brettler – and what it tells us about London’s dark underbelly

The journalist Patrick Radden Keefe on trying to unravel the double life and tragic death of 19-year-old Zac Brettler – and what it tells us about London’s dark underbelly. Help support our independent journalism at &lt;a href=&quot;https://www.theguardian.com/infocus&quot;&gt;theguardian.com/infocus&lt;/a&gt;

Today in Focus

The mysterious death of the teenager who posed as a Russian billionaire

The mysterious death of the teenager who posed as a Russian billionaire

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