BALTIMORE (WJZ)– The United States District Court in Baltimore has sentenced a serial armed robber to 14 years in prison followed by three years of supervised released.

According to his plea agreement, Warren Delano Williams, 34, stole more than $2,437 from seven Baltimore restaurants and retail stores between December 2008 and March 2009 by threatening employees with a handgun.

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Court documents also reveal that Williams robbed three Baltimore banks in March and April 2009 by giving the bank teller a note claiming that he had a gun, and stole more than $8,179.

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Later in April, Baltimore County police seized a .45 caliber, semi-automatic pistol.

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The court also ordered Williams to pay $10,716 in restitution.