My son killed himself after falling for an online scam. I heard it happen – and vowed to protect other children

<p>Gavin Guffey was 17 when he was targeted by a ‘sextortionist’ on Instagram. His father Brandon has spent four years fighting for justice, and for social media companies to do more to safeguard young users</p><p>What were the last words Brandon Guffey said to his son Gavin? Four