we're monitoring several shooting investigations right now, including several new mass shootings. we are now nearing 290 mass shootings for the year. in houston, a deputy's apartment was ambushed overnight. that shooting leaving his wife and stepchild wounded. we have team coverage tracking all the latest developments. we'll get to cnkim in a moment. we start with evan watching the violence across the country. what are you seeing this afternoon? >> we've been tracking the numbers all weekend. the stories just become staggering. 375, at least, shooting incidents this weekend. that's all we know of so far and data is still coming in. of that 375, seven are called mass shootings, four or more shot, excluding the shooter.