Canova seen here just prior to his capture by Rico. Chapter 99.
Canova is a Milano business man associated with extreme right political parties. Cristiano Savonarola's confession revealed that Canova was the ringleader behind the Croce incident.
With the information obtained from Cristiano, Rico was able to capture him when they encountered each other in a park, where Canova brought up a rumor he heard about the state using child assassins to carry out operations.