Before he shot partner, police failed to put cop under strict supervision

Good morning, Chicago. ✶ 🔎 Below: For the first time since the pandemic, the city closed all beaches and outdoor swimming pools because of fumes from Canadian wildfires, which are becoming Chicago's new summertime normal. 🗞️ Plus: More details on what led up to the fatal shooting of a Chicago police officer, candidates allege machine politics are at play and more news you need to know.  📧 Subscribe: Get our morning newsletter delivered to your inbox weekday mornings. ⏱️: An 8-minute read …