 Mims proposed a new community violence interruption program, which aims to prevent gun violence and support young people. He said he's been working with the Dayton Police Department on this plan for more than a year. Now, David wants to stop what is being referred to as pop-up parties. Saturday, two Dayton officers were sent to one, and it turned deadly. ...turned towards the officer with a gun in his hand. In response to the threat, both officers discharged their firearm at the subject.