New London — Police have arrested a former clerk at the New London post office on multiple charges of forgery and larceny for allegedly using her position to pocket cash.

Rhonda J. Redo, 50, of 306 Connecticut Ave. was charged on a warrant Wednesday following an investigation by a special agent with the U.S. Postal Inspector’s Office and New London police into questionable post office transactions.

Redo faces 13 counts of first-degree forgery and 11 counts of sixth-degree larceny.

Investigation into Redo began in April 2012, when police said discrepancies were first discovered in her records dating back to May 2011.

Police said the U.S. Postal Inspector’s Office reported an unusually high rate of refunds for a premium forwarding service offered by the postal service. Closer inspection revealed not only questionable transactions among the refunds but several postal money orders cashed at the New London post office.

Police allege that Redo forged customer signatures to cash money orders and to obtain money from the refunds.

Redo appeared in New London Superior Court on Wednesday to answer to the latest charges against her. Court records show she was charged in August with two counts of second-degree larceny and two counts of first-degree forgery. She has pleaded not guilty to those charges.

Released on a written promise to appear in the latest case, she is due back in court on June 5.