Table of mass murderer influences

Mehdi Nemmouche: Mohamed Merah

James Fairweather: Peter Sutcliffe, Myra Hindley, Ted Bundy, and Ian Huntley

Nikolas Cruz and Jesse Osborne both looked up to the Omar Mateen. Nikolas Cruz once said it was cool that he "killed a bunch of gay people" and Jesse Osborne had pictures of him on his iPhone.

N/A

@KMFDM wrote:

William Atchison:
- Adam Lanza
- Jeffrey Weise
- Eric Harris and Dylan Klebold
- Timothy McVeigh

Also William Atchison:
Elliot Rodger
Kimveer Gill
Anders Behring Breivik
Seung-Hui Cho
Pekka-Eric Auvinen

the Academy Manics:
Alexander Pichushkin
Dnepropetrovsk Maniacs

The Suzano shooters were fascinated by the Columbine Massacre

Matti Saari:
Eric Harris and Dylan Klebold
Pekka-Eric Auvinen
Seung-Hui Cho

Anthony Barbaro, the Olean High School shooter, reportedly heard about the New Orleans sniper, Mark Essex, and had even mentioned to a friend: “how funny it must feel to be a sniper holding off people.”

Michael Slobodian might have been a copycat of Anthony Barbaro

TheOne99 wrote:

The Suzano shooters were fascinated by the Columbine Massacre

Also:
The Dnepropetrovsk maniacs
Vladislav Roslyakov
Anders Breivik
Timothy McVeigh
Stephen Paddock

Nikolas Cruz also admired James Holmes and Omar Mateen

Jennifer San Marco mentioned David Berkowitz in her newspaper “The Racist Press” but I don’t really know if he “influenced” her at all. She was actually living in the same area as him when she was a teenager.

@Carnifex879 wrote:

Jennifer San Marco mentioned David Berkowitz in her newspaper “The Racist Press” but I don’t really know if he “influenced” her at all. She was actually living in the same area as him when she was a teenager.

I mentioned this already

TheOne99 wrote:

[You must be registered and logged in to see this link.] wrote:

Jennifer San Marco mentioned David Berkowitz in her newspaper “The Racist Press” but I don’t really know if he “influenced” her at all. She was actually living in the same area as him when she was a teenager.

I mentioned this already

Oh ok. I remember hearing this from a documentary I watched on her. I thought it was a lesser known fact so I thought I'd share it. My bad.

John Russell Houser:

Timothy McVeigh
Dylann Roof

Chris Haper Mercer:
Eric Harris and Dylan Klebold
Seung Hui Cho
Elliot Rodger
Vester Lee Flanagan II
Adam Lanza

Goyases school shooter:
Eric Harris and Dylan Klebold
Wellington De Menezes Oliveria

Dennis Rader (the BTK Killer) mentioned in a letter to a news station:

Jack The Ripper
David Berkowitz
The Hillside Stranglers (Kenneth Bianchi and Angelo Buono Jr.)

Randan Fontaine:
Eric Harris and Dylan Klebold
Other Canadian school shooters he searched on the internet

Source: [You must be registered and logged in to see this link.]

Gökmen Tanis:
Brenton Tarrant, but he got inspired by him in a vengeful way rather than idolizing him.

Peter Langman's chart is informational and seemingly accurate. They should probably add the STEM shooting, since one of the shooters wanted to plan it for 4/20/18. How original.

The perpetrator of the attack at Orlando Tavares State School said that a colleague of his commented about school massacres, referring to the attacks in Realengo, Janaúba and Suzano.

Arcan Cetin:
Claimed to be inspired by recent Islamic terrorist attacks, but wasn't Muslim.

Mohammed Reza Taheri-azar:
Mohamed Atta

Robert Dear:
Michael Griffin
Paul Hill
James Holmes (mentioned and impersonated him in court)

Joel Marin:
Pekka Eric Auvinen
Matti Saari

Source: [You must be registered and logged in to see this link.]

[You must be registered and logged in to see this link.] wrote:

Joel Marin:
Pekka Eric Auvinen
Matti Saari

Source: [You must be registered and logged in to see this link.]

Also Anton Lundin Pettersson