PEACE Model and SIPAM/PEACE Plus

Developed in the United Kingdom to guide ethical and effective interviews.
Used by the New Zealand police for interviewing suspects and gathering information.
Focuses on information gathering rather than obtaining confessions.
Emphasizes rapport building and establishing a friendly interaction with the interviewee.
Stresses the importance of different types of questions:
- Open questions: Provide detailed accounts.
- Closed questions: Give limited detail.
- Leading questions: Risk introducing bias or misinformation.

Developed in New Zealand in 2018 as the complex investigation phased engagement model
Developed by the former head of the investigations bureau to turn the PEACE model for interviews into a method for interrogations.
Utilizes minimization to encourage suspects to talk.
- Creating a relaxed environment.
- Avoiding formal note-taking.
- Sharing food.
- Ensuring comfortable seating.
Aims to make suspects feel comfortable confessing.