Complex sentence: Thousands of public officials were called before the Commission to testify and based on the testimony of New York County Sheriff Thomas M. Farley, Seabury convened a Grand Jury to investigate the alleged practice of retaining interest accrued on official deposits by county sheriffs.
Split into simpler sentences: Thousands of public officials were called before the Commission to testify. Following the testimony of New York County Sheriff Thomas M. Farley, Seabury convened a Grand Jury to investigate the alleged practice of retaining interest accrued on official deposits by county sheriffs.