Speaking of Wealthy Mobsters, The World's Richest Just Had His Assests Frozen By the British

Just hours after posting "Having the Sopranos on board: Corporate governance and organised crime in Italy" we see this:

From India Today,  New Delhi, September 13, 2017 | UPDATED 13:26 IST:

Dawood Ibrahim's properties frozen by British authorities 
According to Forbes, Dawood Ibrahim is one of the richest gangsters of all time. In 2015, Forbes estimated Dawood Ibrahim's net asset at US$ 6.7 billion.

British authorities have frozen properties belonging to fugitive Indian underworld gangster Dawood Ibrahim. Reports say Dawood's total assets are worth $6.7 billion.

Dawood, who Indian agencies claim runs his crime empire from Cliffton area in Karachi, Pakistan, appears on the latest UK Treasury department's Consolidated List of Financial Sanctions Targets, updated last month.

The action against Dawood Ibrahim comes nearly two years after Prime Minister Narendra Modi's UK tour. PM Modi, during his November 12-14, 2015 tour, had reportedly handed over a dossier concerning the underworld gangster to his then British counterpart David Cameron. 

According to Forbes, Dawood Ibrahim is one of the richest gangsters of all time. In 2015, Forbes estimated Dawood Ibrahim's net asset at US$ 6.7 billion.

Dawood Ibrahim has his business interests in more than a dozen countries spread over Europe, Africa and South Asia. He has assets worth US $450 million in the UK alone. He is said to have invested in over 50 properties in different countries.

Dawood Ibrahim, who is an accused of carrying out 1993-Mumbai bomb blasts, has been named by the UN Security Council's IS and al-Qaida Sanctions Committee as global terrorist...MORE

I'm sure there are some Mexican narcos who would contest the "world's richest" title but they would be wrong.
However I'm not going to be the one to tell them, at least not cara a cara.