Perry Mason S01 E07 The Case of the Angry Mourner

"Almost anyone is capable of a crime under certain circumstances."

Carla Adrian is having trouble fending off amorous neighbor Mark Cushing. When another neighbor hears a shot and a woman's scream, then witnesses Carla's Mother, Belle Adrian, in Mark Cushing's cabin—it's not long before the police discover Cushing’s body and arrest Mrs. Belle Adrian.