WATERLOO, Iowa (AP) — A spokesman for a Waterloo law firm says its attorneys didn't know about alleged thefts involving its former president.

Attorney Greg Lederer says the firm Gallagher, Langlas and Gallagher had no involvement in any alleged wrongdoing by the firm president, David Alan Roth.

The Waterloo-Cedar Falls Courier (http://bit.ly/1qG3Dfg ) says the statement came in the latest round of litigation involving Roth's estate.

The 51-year-old Roth, of Hudson, took his own life in September. Former clients and lenders have submitted claims alleging theft and unpaid debts totaling more than $1 million.

On Thursday, Paula Nicolaisen filed a civil lawsuit against Roth's estate in connection with $1.6 million she allegedly gave Roth to invest after he handled her 2011 marriage dissolution in Chickasaw County District Court. The lawsuit also names the law firm.

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