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

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 What were the last words Brandon Guffey said to his son Gavin? Four years on, he still struggles with this question. “That last exchange, it bothers me…