School shooters: understanding high school, college, and adult perpetrators

Introduction. Comments on the cases

Comments on diagnosis

Comments on symptoms and pattern.

Chapter one. Laying the foundation. Three populations of school shooters

Three psychological types of school shooters.

Chapter two. Psychopathic secondary school shooters. A word on psychopathic personalities

Attacks by psychopathic secondary school shooters

(Robert Poulin

Brenda Spencer

Barry Loukaitis

Andrew Golden

Eric Harris

Robert Steinhäuser

Tim Kretschmer).

Chapter three. Psychotic secondary school shooters. A word on psychotic symptoms

Attacks by psychotic secondary school shooters

(Luke Woodham

Michael Carneal

Andrew Wurst

Kipland Kinkel

Dylan Klebold

Alvaro Castillo

Pekka-Eric Auvinen).

Chapter four. Traumatized secondary school shooters. A word on trauma

Attacks by traumatized secondary school shooters

(Eric Houston

Gary Scott Pennington

James Rouse

Evan Ramsey

Mitchell Johnson

Jason Hoffman

Jeffrey Weise

Eric Hainstock

Asa Coon

Thomas "T.J." Lane).

Chapter five. College shooters: targeted attacks. Targeted attacks by psychopathic shooters

(Gang Lu

Valery Fabrikant

Robert Flores)

Targeted attacks by shooters with psychotic and psychopathic traits

(Peter Odighizuwa

Biswanath Halder

Amy Bishop).

Chapter six. College shooters: random and ambiguous attacks. Random attacks by psychopathic shooters

(Charles Whitman

Wayne Lo)

Random attacks by psychotic shooters

(Seung Hui Cho

Steven Kazmierczak

Matti Saari)

Ambiguous attacks

(Edward Allaway

One Goh).

Chapter seven. Aberrant adult shooters. Young adults who attacked colleges they did not attend

(Mark Lépine

Jillian Robbins

Kimveer Gill)

Adults who attacked schools they had attended years before

(Patrick Purdy

Bruco Eastwood

Wellington de Oliveira

Adam Lanza)

Adults who attacked elementary schools to which they had no connection

(Laurie Dann

James Wilson

Thomas Hamilton)

Adult whose attack was in an atypical educational setting

(Jiverly Wong).

Chapter eight. Patterns among school shooters. The significance of the body

Military failures

Educational failures

Occupational failures

Romantic failures

Frequent and significant relocations

Psychotic shooters: sibling rivalry

Other possible factors

External influences

(Peer support

Ideologies and role models

Media violence).

Chapter nine. Preventing school shootings: threat assessment and warning signs. The many faces of school shooters

Threat assessment

What are the warning signs?

(Forms of leakage

School assignments

Warning signs at home

Warning signs online

Sudden purchase of firearms)

School employees

Aberrant attacks

The unpredictability of victim selection

Immediate aftermath.

Chapter ten. Key findings. Findings versus conventional wisdom

The magnitude of their attacks

Suicide among school shooters

The typology across the populations of shooters

Other observations.