The European Plan M Squad : Season 3 Episode 2

A man drives up to a house and goes in. He walks through several formal rooms before ending up in an office where he goes through the desk. An older woman, Mrs Ashton, comes down the elegant stairway and confronts the burglar. He kills her and a younger woman, Elsa, sees everything from the top of the stairs. The murdered woman's husband is surprised to find money in the desk had been stolen. Elsa is a Norwegian who works for the family while studying at a local university. She can't offer much help, then $500 is found in her pillowcase. Elsa says the victim had given her the money so she could bring her brother to America. Frank believes Elsa, but Gray wants to prosecute.