[3] Giani tackled Susanna Maiolo twice in two separate attacks on Pope Benedict during Christmas Eve Midnight Mass at St. Peter's Basilica in 2008 and 2009.
[4] Under his command, the Vatican City State became part of Interpol at the general assembly held in St. Petersburg on 7 October 2008.
[citation needed] In early October 2019, at the request of the IOR, Pope Francis authorised the Gendarmerie to raid the offices of the Sostituto within the State Department as part of an investigation into financial irregularities related to a failed London real estate deal.
Giani then authored an internal flyer that named and pictured five Vatican employees who were suspended as part of that investigation.
[12] Cardinal Angelo Becciu criticized Giani for creating the leaked document; he said a leaflet identifying the accused with mug shots in the style of a wanted poster was excessive.