Gardner Erle Stanley. The Case of the Dangerous Dowager

When Matilda Benson, a cigar smoking and tough talking widow, walked into Perry Mason's office, he had no idea what the next few days were going to do to him. What started off as a simple request to pay of her granddaughter's gambling debts, ends up as a murder investigation. It just so happens, that the police and a federal grand jury are interested in charging Perry with that murder.