In 2009, Officer John Bueno was involved in multiple incidents of excessive force. In one case, he removed an arrestee from a cell and assaulted him. Investigations revealed that Bueno violated the department’s use-of-force policy and failed to report the incidents. He was terminated in 2011. ([cbsnews.com](https://www.cbsnews.com/chicago/news/former-des-plaines-deputy-police-chief-claims-he-was-fired-to-cover-up-brutality/?utm_source=openai))