DENVER (CBS4) – Lawyers for four men accused of laundering Colombian money through a marijuana dispensary argued in federal court in Denver on Monday that they may want separate trials.

Gerardo Uribe and his brother Luis owned marijuana dispensaries in the Denver area. They are charged with bringing in money from Colombia to buy a building for growing and distributing marijuana.

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Denver attorney David Furtado is also charged, accused of making financial transactions in violation of federal law.

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The fourth suspect is Colombian Hector Diaz. He’s charged with money laundering and a weapons count.

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Prosecutors said Friday they have 50,000 more pages of documents, plus videos and audio tapes. All suspects have pleaded not guilty.