Serpico S01E06 - Trumpet of Time

Vince Cipolla, a 20-year veteran on the police force, is dying of leukemia and wants to leave money for his wife. He gives confidential information on the locations of gambling and prostitution houses to two criminals who share their ill-gotten gains with Cipolla. Serpico follows the clues to Cipolla, who once instructed him, and tries to help.