Δαφνη Ευτυχια Αρθουρος

"For every 10 percent increase in the proportion of a police officer's peers with a history of misconduct (for instance, adding one allegedly misbehaving member to a group of 10), that officer's chances of engaging in misdeeds in the next three months rose by nearly 8 percent.

"'Given how frequently police officers are transferred to different units in response to bad behavior, this contagion effect is really important,' Mitchell says."

-- from "Study finds misconduct spreads among police officers like contagion" by Katherine J. Wu, 2019-05-27