Predators on the internet

My topic is about how safe the internet is.  A book I recently finished reading called One Dark Night is about a surgeon who meets a guy on the internet to make her most intimate fantasies come true.  She does not know that this man she starts falling  for is actually a serial killer who lures women down from the internet.  He rapes them and kills them brutally and rips their heart out while they are still alive.  This book shows that no matter what age someone is they can still become a victim of a criminal on the internet.