S1·E3 A Star Is Dead

Roberta Rhodes, a famous movie star, is found dead in her bedroom. The police think that it was probably suicide, but Quincy thinks not. A gossip newspaper editor approaches Quincy and tells him that on the night of her death his friend, and prospective senator, Congressman Charles Sinclair was with her. Quincy cannot believe that his friend could have killed Roberta but if he didn't then why does he keep lying to Quincy?