di aver commesso il crimine

to have committed the crime

→ di
phrase Rare #45,467
to have committed the crime The perfect infinitive indicates that the crime was committed before the action of the main verb.
IT: Ha confessato di aver commesso il crimine.
EN: He confessed to having committed the crime.

Sta negando di aver commesso il crimine?

Is he denying committing the crime?

— Memorie di un assassino (2003)

Confessò di aver commesso il crimine.

He confessed to committing the crime.

Lui ha ammesso di aver commesso il crimine.

He admitted to committing the crime.

Ammise di aver commesso il crimine.

He admitted to committing the crime.