Complex sentence: Danvers however, tries to buy off Harcourt, and when this fails, attempts to implicate the Superintendent's daughter Shirley in a bank robbery and use another crook, Leslie Parrish to blackmail Harcourt to drop the case against him.
Split into simpler sentences: Danvers however, tries to buy off Harcourt, and when this fails, attempts to implicate the Superintendent's daughter Shirley in a bank robbery. Danvers uses another crook, Leslie Parrish to blackmail Harcourt to drop the case against him.