The Southport killer possessed large amounts of anti-Islamist material, including cartoons Muslims would find "highly offensive", the inquiry into the killings has heard.
The family of the killer believed his fascination with violence came from "an interest in studying history," the hearing was told.
Alice Aguiar, nine, Bebe King, six, and Elsie Dot Stancombe, seven, were killed at a Taylor Swift-themed dance class on 29 July last year by Axel Rudakubana, who was later jailed for a minimum of 52 years .
An examination of two tablet devices used by Rudakubana - referred to as AR at the hearing - was outlined to the inquiry and included pdf documents "suggestive of violence, an interest in religion and conflict", Nicholas Moss KC, counsel to the inquiry said.
Some were in the for