Why do people cooperate with the police?

https://video.wixstatic.com/video/f5df24_acc8c9f453b749a185e5fd5c433eab39/720p/mp4/file.mp4

The study in question is Jackson, J., Kuha, J., Bradford, B., & Hough, M. (2025). Why do people cooperate with the police and criminal courts? A test of procedural justice theory in 30 countries. Criminology, 1–29.

It is open access here: https://onlinelibrary.wiley.com/doi/epdf/10.1111/1745-9125.70022