Robert Wagner in NCIS Reasonable Doubts

Sorry heh.I always liked Robert Wagner and he did a really good job in this one. And no, I don't believe he murdered anyone.

The team investigates the death of a Naval Public Affairs man. When they arrive at the crime scene they are told there are two suspects, the man's wife and mistress. They both accuse each other and evidence points to both of them. So they have to investigate more.
Tony takes his father out to lunch and he reveals that he's bored because he has nothing to do, that's when a homeless woman approaches them and calls Tony Sr. father. He wants to help her and takes her to Tony's but she trashes the place so they take her to a shelter. Tony Sr. tries to help her by trying to find out what's her story.