By Sarah N. Lynch and Raphael Satter

WASHINGTON, darkmarket link Feb 8 (Reuters) - The FBI arrested a husband and wife on Tuesday morning, alleging they conspired to launder cryptocurrency stolen from the 2016 hack of virtual currency exchange Bitfinex, and said law enforcement has already seized over $3.6 billion in cryptocurrency tied to the hack.

Footage has emerged of the inside of a five-storey abandoned underground NATO bunker built with 31inch thick concrete walls in Germany allegedly converted by criminal gangs into a high tech data centre to host darknet websites. 

US authorities have said they were able to access the 'private key' to the hackers' bitcoin account of ransomware hackers Darkside

Police around the world have arrested 150 suspects in one of the largest-ever dark web sting operations.

The suspects arrested included several high-profile targets, involved in buying or selling illegal goods online, Europol said today.

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COLLEGE PARK, Md. (AP) - A man whom U.S. authorities have described as the world´s largest purveyor of child pornography would be sentenced to 21 to 27 years in prison under the terms of a new plea deal.

The deal between Eric Eoin Marques and Justice Department prosecutors is designed to satisfy a judge in Maryland who rejected their original agreement, which called for a prison sentence of 15 to 21 years.

Defense attorneys outlined the new terms in a court filing on Friday.

They said a 21-year prison sentence would be "fair and just" for Marques.

A lawyer for the self-proclaimed 'Crocodile of Wall Street', Heather Rhiannon Morgan, 31, darkmarket and her husband Ilya 'Dutch' Lichtenstein, 34, claim neither of them are 'flight risks' because Morgan has frozen embryos in the city.