warning so we're waiting on the white house. this is breaking news. we have now learned that brianna kupfer's suspected murderer has been arrested. let's check back with jonathan hunt who has been on this breaking news the last hour. he's live in los angeles. hi, jonathan. >> hi, martha. that arrest apparently made a short time ago in pasadena. that is about 15 miles north and east of where 24-year-old brianna kupfer was killed last thursday. stabbed as we now know by a man identified by police as shawn laval smith. a 31-year-old man with a long criminal history. we are now being told, sources telling our producer that shawn smith was arrested at a bus stop in pasadena. police have told us all along