The airplane in which Stream takes Lilly to upstate NY is a 1931 Bellanca CH400 "Skyrocket", registration NC12635. It was owned by Wallace Beery. Only 32 planes of this variant were made. Subsequently sold to a mining concern in Saudi Arabia, it was destroyed in 1937.
Take him out and throw a couple of drinks into him. Get chummy! You know, fiddle around a little. And then, watch. He'll lay himself wide open.
The police are tricked into believing that a man committed suicide with a gun. He was really murdered, shot from across the room. Even a perfunctory medical examination would make the deception impossible--for example, an absence of powder burns.