[3] Notable among Wallace's scoops was the news that actor Ross Kemp was leaving the BBC soap opera EastEnders in favour of working for rival channel ITV.
[7] The Mirror was one of several newspapers which paid "substantial" damages for defamation for their December 2010 coverage of the arrest of Christopher Jefferies in connection with the Murder of Joanna Yeates; Jeffries subsequently being exonerated.
During the Leveson Inquiry, established by Prime Minister David Cameron to investigate the ethics and behaviour of the British media following the News of the World phone hacking affair,[12] Wallace described the newspaper's coverage of Jefferies's arrest as a "black mark" on his editing record.
In 2013 Cowell appointed him Syco's Executive Producer on the company's hit show America's Got Talent, broadcast on NBC.
He married long-time partner Tina Weaver, former Editor of the Sunday Mirror, in June 2016 at Aynhoe Park, Oxford.