The Adventures of Philip Marlowe was a radio detective drama series that aired from 1947 to 1951. The series was based on the famous private detective character created by Raymond Chandler. It featured hard-boiled detective stories set in Los Angeles, with Marlowe solving various complex cases. The show was known for its gritty and atmospheric storytelling, capturing the essence of the noir genre. "Who Shot Waldo" is an episode from The Adventures of Philip Marlowe, originally aired on June 12, 1947. In this episode, Marlowe is hired by a man named Waldo, a wealthy and eccentric individual, to investigate a potential threat to his life. As Marlowe delves deeper into the case, he uncovers a web of deceit and betrayal, leading to a thrilling climax.