U.S. Marshals are on the heels of David Roberson, known drug runner

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MILWAUKEE -- U.S. Marshals are looking for 33-year-old David Roberson.

Roberson is a known drug runner and served time for illegally transporting firearms.  Agents say Roberson left prison in 2015 and has already violated the terms of his release.

Marshals say his last know address was near N. Buffum and Center Street.

David Roberson is 5'9'' and weighs 210 pounds.

Anyone with information on her whereabouts is asked to call U.S. Marshals at 414-297-3707.