Gibraltar-based Ros Astengo inspired four men to report sexual assaults carried out by Allan Grimson in 1990s

Ros Astengo, a journalist based in Gibraltar who usually focuses on politics and social issues, had qualms when she began investigating the case of the suspected serial killer Allan Grimson as he neared release from prison after serving more than 20 years.

She worried that she might reopen the scars of survivors of Grimson – but also that she could be putting herself in the “crosshairs” of a dangerous man who had sexually assaulted and battered two young men to death in the late 1990s when he was a Royal Navy petty officer.