>> reporter: tonight we still have to shine a mirror on america. to look with new eyes at the shootings we've become numb to. there's no doubt we're drowning in a sea of lead. the question tonight, are we okay with that? >> a tour de force report. joining us is our senior justice correspondent pierre thomas, pierre, thank you. we all see pieces of the puzzle but you've been connecting the dots. >> what struck me was the chronic, sustained nature of this violence. you can book it that tonight on a hot summer night in july, someone somewhere in this country will be shot, someone will be wounded, and lives will be forever changed. >> mass shootings tend to grab national headlines. you looked at individual shootings. >> not just shootings in places like chicago. across this country, over and over, much of it domestic violence, it's shocking. >> pierre thomas, thanks to you and your team for that report. thanks so much. >> pleasure. >> we'll be back. >> this special edition of "nightline" is brought to you by geico. let's feed him to the sharks! squuuua