Cold Case: Bullet / Season: 7 / Episode: 19 (2010)

After determining the serial killer's identity - and some of his likely future targets - the team and the FBI work together to apprehend him while trying to locate and protect the people he's preparing to kill. 
 
The first victim is seen by his girlfriend, who grew up to investigate the case. 
The killer sees his father, who committed suicide. 
The other victims are not seen.