- Melissa Alexandra Hayes: Where did you learn that?
- Columbo: Mrs. Columbo! She loves to dance! That's how I get my exercise, she wears me out!
- Melissa Alexandra Hayes: Andy WHERE ARE YOU? Where are all those cops I married into? You're losing it, Melissa.
- Melissa Alexandra Hayes: Please, God, help me! Why did he let the door rust? Why didn't he oil it? Rust... that's it! Vinegar dissolves rust, vinegar does this, vinegar does that, thank you Mom for telling me that, and thank you, God!
- [pours a bottle of vinegar on the hinges]
- Melissa Alexandra Hayes: Let it soak in, Melissa, don't rush it.
- Melissa Alexandra Hayes: Where is your mother?
- Strassa: Oh she got her throat cut. She's up in Heaven waiting for us.
- Melissa Alexandra Hayes: Who killed her?
- Strassa: My father.
- Detective Andy Parma: [reading a yearbook] Rudy 'Doc" Strassa is headed for Pre-Med. Voted most likely to dissect a friend.