A Harpers Ferry, WV man has pleaded guilty to at least two of the robberies.
Mark Haines has been charged with robbing the BB&T Bank in Martinsburg on December 22, 2010.
Prosecutors say Haines robbed the teller at the drive-through and received $7,582.
Haines has already pleaded guilty to robbing another BB&T branch in Inwood, WV.
Officials say Haines was also connected to a bank robbery on the same day in Hagerstown.
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