1. Shoot a person up with truth serum and they'll spill their guts. 2. Kazan suspects Vinod, and gets Ruby to administer him a truth serum . 3. He regularly administers truth serums to captured terrorists in order to gain information. 4. But I bet if you had the truth serum out they wouldn't care. 5. A shot of sodium pentothal is administered as a truth serum . 6. They're the ones I'd like to see injected with truth serum . 7. Gerret gives Lilli a truth serum , which has to be drunk by Ignatz. 8. But they were like, ` Was the alcohol a truth serum ? 9. Food, she reasoned, might be the truth serum she needed. 10. There are some questions in the deck that require more truth serum than others.