Name
Diagnosis
ASD-Based Deficits

Co-morbid Mental Health Conditions

Pathway
Act
Adam Lanza
Autism
Sensory Sensitivities, Abnormal fixated interests
OCD, Depression, Suicidal/ Homicidal Ideation

Personal
Grievance + 4 steps of PIV

Elementary School Shooting

Dean Allen Mellberg
Autism
Unknown
Paranoid Personality Disorder, Anxiety

Personal Grievance + 4 steps PIV

Air Base Shooting
Anders Breivik
Asperger’s Syndrome
Lack of emotion, empathy, imagination, obsessive with numbers, writing, deficits understanding social cues
Narcissistic P.D., Depression Narcissistic Decompensation
Personal to Political Grievances + 4 Steps of PIV
Oslo bombing and Utøya Island Shooting
Table 1: A summary of case analyses of three mass shootings by individuals with an ASD