Special Agent Mark White says the man robbed an Omni American Bank in Euless and a Wachovia Bank in Dallas. United Credit Union in Tyler also was held up.
The robber at times had his left arm in a blue sling, plus a bandage on or around his nose.
Another robbery happened Friday at a Washington Mutual branch in Dallas.
The fugitive is described as a white male, at least 6 feet tall, driving a white Ford F-150 pickup.
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