Egypt plane hijacker detained amid questions about his mental state

59-year-old Egyptian Seif El Din Mustafa hijacked the EgyptAir flight out of Alexandria to Cairo and had it diverted to Cyprus. There were no casualties and Mustafa is being detained – amid questions about his mental state.So what’s the back story to Seif El Din Mustafa?

CCTV’s Adel El Mahrouky went to his Cairo neighbourhood to seek some answers.