MILWAUKEE (CBS 58) -- A beautiful summer day turned deadly after a man was killed while behind the wheel and spent his last moments crashing into a fence. Milwaukee police know exactly who the suspect is and need your help to find him. 

Police believe 45-year-old Mario A. Balli shot and killed a person on July 16, 2019. It was early evening in the area of 33rd and Mitchell, when someone called police to report a crash. 

When police arrived, they found the 34-year-old driver dead. He'd been shot and crashed into a fence. 

After following leads, police found out who they think pulled the trigger in broad daylight. 

"This happened at in the afternoon right in the area of burham park, if you are familiar there are baseball fields, schools…indicates it was busy there were people around when this incident happened. So..kind of disturbing when you think about that," said Captain Craig Sarnow, Milwaukee Police Department. 

If you know where Balli might be, call Milwaukee Crime Stoppers at 414-224-TIPS or download the P3 tips app. Your tip is always anonymous and if your tip leads to an arrest you could get a cash reward.