"Kamala has tried hundreds of serious and violent felonies, including homicide, rape, and child sexual assault cases," stated the mailer, copies of which ABC News obtained.

However, during a debate, opponent Bill Fazio, a veteran criminal defense attorney, accused Harris of misleading voters about her record as a prosecutor and deputy district attorney in California's Alameda County.

"How many cases have you tried? Can you tell us how many serious felonies you have tried? Can you tell us one?" Fazio asked Harris, according to audio of the debate.

"I've tried about 50 cases, Mr. Fazio, and it's about leadership," Harris responded.