[1] In the 1920s and 1930s he collaborated with numerous newspapers and wrote plays and theatrical works that were staged by the amateur dramatic company "Sursumcorda."

After the entry of Italy into the Second World War he requested to be permitted to enlist in the Italian army, but his offer was rejected due to his serious disability.

Thus he continued his journalism, ultimately joining the editorial staff of the Turin newspaper Gazzetta del Popolo.

Pesce, the head of the Patriotic Action Group (GAP) of Turin, recalled the attack in his memoirs, in which he labelled Capelli as "one of the most despicable figures in the Fascist propaganda apparatus" and "the bloodthirsty inciter of reprisals.

[3] The First Black Brigade, founded in Turin on 19 July 1944 and led by Giuseppe Solaro, was named for Capelli in his honor.