WEST PALM BEACH (AP) — Convicted Ponzi scheme operator Scott Rothstein is scheduled to testify for a former law firm colleague also charged in the $1.2 billion fraud.

Attorney Christina Kitterman is scheduled to go on trial Monday in West Palm Beach federal court.

READ MORE: Florida COVID-19 Hospitalizations Decrease

Prosecutors say she assisted in the Rothstein fraud by pretending to be a Florida Bar official in telephone conversations with investors.

Kitterman worked at now-defunct law firm Rothstein Rosenfeldt Adler.

Along with Rothstein, former partner Stuart Rosenfeldt is also scheduled to testify in Kitterman’s defense.

READ MORE: Free Rapid At-Home COVID-19 Tests Can Be Ordered Online

She has pleaded not guilty.

Rothstein is serving a 50-year prison sentence for his scam, which involved investments in phony legal settlements.

He has agreed with prosecutors to testify in various legal matters in hopes of getting his sentence reduced.

MORE NEWS: Florida House Panel Backs Proposal Limiting Ballot Initiatives

(© Copyright 2014 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)