 He appeared for the prosecution at the Old Bailey in 1915 with Archibald Bodkin (later Director of Public Prosecutions) and Cecil Whiteley (later KC) against George Joseph Smith, the 'Brides in the Bath' murderer.In 1916 he was one of the team who prosecuted Sir Roger Casement for treason.At the Central Criminal Court in 1922 he successfully prosecuted Horatio Bottomley for fraudulent conversion.