https://www.nbcchicago.com/news/local/school-cleaning-crew-member-arrested-for-threatening-chasing-kids-with-a-knife/3808829/ 
https://www.fox32chicago.com/news/south-elgin-man-knife-arrest 
https://abc7chicago.com/post/chicago-public-schools-news-former-little-village-lawndale-high-school-dean-brian-crowder-sentenced-22-years-sex-abuse-case/17518191/