The Illinois man suspected of killing four people with an assault rifle in a Tennessee Waffle House told police last year he believed Taylor Swift was stalking him and had even stolen his Netflix password. Nancy Grace digs into the weekend massacre, the search for the shooter, and the hero who saved lives.

Grace is joined in this episode by defense lawyer Jason Oshins, Los Angeles psychoanalyst Dr. Bethany Marshall, forensics expert Joseph Scott Morgan, Crime Stories contributing reporter Chuck Roberts and RadarOnline reporter Alexis Tereszcuk.

Also read: Alleged Waffle House shooter thought Taylor Swift was stalking him, hacking into his Netflix account: Police

Grace also looks at the latest arrests of men who are stalking Taylor Swift.

Also read: Police: Man arrested at Taylor Swift house had knife, rope

[Feature Photo: Travis Reinking/Metro Nashville Police Department]