!TIL that in the 1950's, donut shops were some of the first food businesses commonly open late at night. They became hot spots for police working the night shift since it gave them a place to grab a snack, fill out paper work, or even just take a break. This is why donuts became associated with cops. - https://www.smithsonianmag.com/smart-news/how-doughnut-loving-cops-became-stereotype-180956730/