Police in North Carolina detail the suspect's erratic final day before his arrest, including their belief that there would have likely been even more shootings if the son of two of the three victims had not held the alleged shooter at gunpoint until deputies could take him into custody.

The son of an elderly couple who were shot dead in North Carolina held the man believed to be responsible at gunpoint until police arrived at the scene, according to multiple reports

A son who held his parent's alleged murderer at gunpoint has emotionally recalled their last meeting together in Greenville N.C