| | Mental Health | Panic Attacks Who is the killer in 13 fear real? The killer in 13 fear real is never explicitly revealed, leaving it up to the viewer's interpretation. Panic Attacks - Related Articles How to cure phobias SVT or Panic Disorder Information How to Treat Panic Disorder With Anti-Anxiety Drugs What phobia is the fear of mermaids? Why would you feel a rush of adrenaline for no apparent reason? What is a likely cause for zombie outbreak? What is crazy defined as?