Perry Mason

The Case of the Laughing Lady (9x1)

Air date: Sep 12, 1965

Carla Chaney is caught seemingly red-handed at the scene of the murder of her ex-boyfriend. Perry agrees to take the case pro bono after three other attorneys drop out. Carla's only hope is an unseen woman she claims was also present at the scene. According to Carla, this woman had a sinister laugh.