Prosecutors maintain that the prime minister, who denies any wrongdoing, paid Mahroug, who adopted the nickname "Ruby Heartstealer", for sexual services while she was still 17. Berlusconi's lawyers are expected to argue she is older than indicated on official documents.

Anyone who is in doubt about the age of a prospective sexual partner would be expected to consult their official documents.

... so his defense is that he knew her documents were false?

_{It is rightly acknowledged that people of faith have no monopoly of virtue - Queen Elizabeth II}