From Columbine High School to Orlando's Pulse nightclub, horrific mass shootings planned and carried out by men. However, some women made plans of their own.

Joining Nancy Grace today:

• Kirk Nurmi - Jodi Arias former Attorney, Author "Trapped with Ms. Arias Parts 2 and 3, My Final Words"
• Dr. Bethany Marshall - Psychoanalyst, Beverly Hills
• Sheryl McCollum - Director, Atlanta Cold Case Investigative Research Institute
• Levi Page - Investigative Reporter, CrimeOnline