Infographic: Elliot Rodger’s laptop search history: Nazis, knives and torture devices

The Santa Barbara County Sheriff’s Office released a detailed report Thursday on the deadly Isla Vista rampage that killed seven, including gunman Elliot Rodger. A search of Rodger's laptop revealed a telling Internet search history. Here's a partial list:

May 23, 2014

Quick silent kill with a knife

How to kill someone with a knife

May 14, 2014

Xingjian railway station terrorist knife attack explosion bombing

Guangzhou train station knife attack

Nov. 30, 2012

Philosophy of a knife

Oct. 9, 2012

Did Adolf Hitler have a girlfriend

Adolf Hitler’s childhood

I’ve never had a female friend

Nazi anime

MORE: View the full report on Isla Vista rampage

Oct. 6, 2012

Are there any knives so sharp that if you touch it you bleed

Stabbing incident

SRK survival rescue knife

Oct. 5, 2012

Heinrich Himmler

Roommate takes very long showers

Young people are all mean

Joseph Goebbels

has a jewis [sic] name

Oct. 4, 2012

Modern torture devices

Spanish inquisition torture devices

If Hitler was born today

Blood elves are Nazis

Heinrich Himmler

Reincarnation of Hitler

Oct. 2, 2012

If you were Adolf Hitler

History of purchasing weapons

Also released in the report was information about past purchases. "The suspect's financial history shows that his planning for this tragedy, with respect to purchasing weapons, started in December of 2012," according to the report. Here are some of the transactions:

Dec. 4, 2012: $755.57 – Goleta Valley Gun & Supply, a firearms dealer in Goleta

March 12, 2013: $1,179.48 – Gun World, a firearms dealer in Burbank

March 13, 2013: $460.00 – Botach Tactical, a tactical equipment dealer in Los Angeles

March 29, 2013: $92.60 – The Target Range, a shooting range in Van Nuys

Jan. 17, 2014: $32.51 – Goleta Valley Gun & Supply

Feb. 14, 2014: $109.09 – The Target Range

Feb. 22, 2014: $1,132.00 – B&G Guns, a firearms dealer in Oxnard

Feb. 22, 2014: $121.48 – Shooter’s Paradise, a shooting range in Oxnard

Feb. 25, 2014: $39.51 – Shooter’s Paradise

March 15, 2014: $99.30 – Shooter’s Paradise

March 20, 2014: $551 – Ammo To Go, an online ammunition supplier in Houston

March 20, 2014: $489.35 – Top Gun Supply, an online firearms supplies dealer in Chesterfield, Ohio

April 18, 2014: $110.51 – Shooter’s Paradise

April 23, 2014: $226.27 – The Target Range

FULL COVERAGE: Isla Vista killings near UC Santa Barbara