Social media users begged a thug to stop as he filmed himself during a "sadistic" attack in which he battered his aunt's partner to death.
Declan O'Donnell, 24, repeatedly kicked, punched and stamped on Paul Cox, 63, during a two-hour rampage at a flat in Nottingham city centre.
Police were called when he uploaded harrowing footage of the brutal attack onto Facebook and Instagram on February 10 last year.
