Maher al-Assad, the ousted president's brother and one of his closest aides, left behind palaces and a network of tunnels when he fled Syria. Where is he? And what does what he left behind say about him?

The fall of Bashar al-Assad in Syria has brought down the Middle East’s most lucrative drug trafficking network, exposing the former regime’s role in manufacturing and smuggling Captagon pills that fueled wars and social crises across the region.

Maher al-Assad is the second most powerful and influential man in Syria, with a bloody history in the country, and the hidden man who was the shadow of the deposed president, Bashar al-Assad. He possessed great military power and money, and was very influential in his country.