Messing up the Dogen cop fight isn't so bad, there are only 2 groups of police, which the human mind can easily keep track of, even if the cops split up to a small extent.

Little "chaos theory" too since there's so few cops in an arena with few obstacles, unlike for example Shibuya.

Research:

http://www.scholarpedia.org/article/Multiple_object_tracking https://en.wikipedia.org/wiki/Chaos_theory

their movement algorithm is currently unknown but i'll throw this at you meanwhile https://en.wikipedia.org/wiki/A¤_search_algorithm

edit: fk that their movement is fkin stupid fr