A surveillance camera shows the abduction of Jamie Bulger (2), in February 1993. Vincent Lambe’s short film Detainment, based on the abduction and its aftermath, has been nominated for an Academy Award. Photograph: BWP Media via Getty Images

In Vincent Lambe’s short film Detainment, Jon Venables, a 10-year-old boy, is about to be questioned in relation to the horrific murder of two-year-ol(...)