Hostage Negotiator: Demand Pack 1
Demand Pack #1 is an expansion pack that comes with 16 new cards that will add new major demands for the original abductors (Arkayne, Donna, and Edward) as well as the abductors from Abductor Packs 1-4. These cards will breathe new life into abductors you've faced off against before.
Hostage Negotiator: Demand Pack 1 on Board Game Geek.
Overview of Hostage Negotiator from BoardGameGeek: