This week on Headline Highlights, a dangerous new online network has the FBI on high alert—predators are using it to lure teens into shocking crimes. A father shatters his son's life on what was supposed to be graduation day. The P. Diddy trial kicks off with explosive witness testimony. A group of teens allegedly kidnaps a man and steals $4 million in crypto. And a decades-old cold case may finally be tied to a notorious California serial killer.