The documentary "Lifers" aired on Channel 4 on June 25th, 2012. It profiles prisoners serving life sentences by interviewing inmates and using archival footage. The target audience is adults aged 18 and older as it shows individuals who committed crimes at that age and above. It employs documentary conventions such as a handheld camera, natural lighting, interviews, voiceovers and background music to immerse viewers in the real life setting of the prison.