A police officer has been convicted of the manslaughter of Dalian Atkinson – as the ex-Premier League star’s family criticised the “completely unacceptable” five-year delay in bringing his killer to justice.West Mercia Police Pc Benjamin Monk was slammed by relatives of the former Aston Villa, Sheffield Wednesday and Ipswich Town striker, who said they had been “sickened to hear” the 43-year-old try to minimise his use of a Taser and two kicks to his victim’s head.