help of the public which police had appealed for almost from the moment of the murder. they got that help when someone spotted smith about 15 miles from the site of the brutal killing of brianna kupfer. >> i see a gentleman that looks very similar to the man in the kupfer stabbing in l.a. >> hundreds gathered outside the store where brianna kupfer was stabbed to death, paying tribute and calling for the city to do more to keep safe. >> scary out here and i pray for safer and better days. >> this has got to stop. this has become the wild west here. somebody has got to stop the crime. there's no reason for this to happen. >> as we have been telling you, shawn smith had a long criminal history and appears to have slipped through the cracks in