Montasser el-Zayat (] ) or Muntasir al-Zayyat (Arabic: منتصر الزيات‎ ‎ "Muntaṣir az-Zayyāt ") (born 1956) is an Egyptian lawyer and author whose former clients, according to press reports, included Ayman al-Zawahiri, since 2011 the leader of al-Qaeda, the terrorist organization, and al-Gama'a al-Islamiyya.
Montasser el-Zayat is more than 12 years old.
It's definitely correct because he was born in 1956. It's difficult for the system because it's not very good at calculating and comparing ages based on the information in the text.