Texas residents reel from deadly mass shooting at outlet mall

The shooting at an outlet mall in Allen, Texas, on Saturday was the second-deadliest mass shooting in the U.S. so far this year. Police say the gunman killed eight people and wounded at least seven others before he was killed by police. CBS News correspondent Nikole Killion joins Errol Barnett and Tony Dokoupil to discuss reaction to the massacre and the ongoing investigation.