The Commercial Appeal reported the suspect is a short, thin black or Hispanic woman dressed in dark clothing with a red scarf.
A teller couldn't understand the would-be robber's mumbled commands in her first attempt Tuesday. Police said the woman threw a holdup note at the teller, then ran from the building.
A few hours later at another credit union, a teller asked a woman several times if she needed help as the woman fumbled in her purse, then handed over a note. When she also pulled a gun, the teller left.
The woman ran outside, tripped and fell, dropped her gun - then got into a car and left.
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Information from: The Commercial Appeal, http://www.commercialappeal.com