According to affidavits secured by KTXS through the Freedom of Information Act, authorities found the materials in a box in the bedroom shared by Billie Dunn and Adkins.
The affidavits also detailed witness accounts who said that Adkins was fascinated by horror/slasher films, and it is reported that he is a collector of movie memorabilia connected to the Halloween movie series.
The reading material in the box, according to the affidavit, contained material that Billie Dunn told authorities she had printed from a computer at her job which she brought home.
The material included 23 pages of material printed on Sept. 1 that was related to the Edmund Kemper, the so-called "Co-ed Killer." Another 20 pages printed on the same date was related to female mass murders, major cases and murder motives.
Another 18 pages was related to George Emil Banks, who killed five of his own children and went on a broader killing spree.
Another 13 pages were printed on Sept. 25 about Robert Leroy Anderson, a serial killer and sexual sadist. Another 37 pages were printed related to Robert Pickton, a Canadian pig farmer, about mass murder and as many as 23 missing Vancouver women.
Other material in the box included a photo of a pentagram, and information about vampires and the occult.
Fifteen pages printed on Sept. 29 was material related to Alton Coleman and Debra Brown, a pair of killers in which Brown was painted as a good girl gone bad and incorporating sex and death.
Another 19 pages printed on the same day was related to the "Princes in the Tower," the Henry VIII murders, and the murder of family members "who were pre-pubertal and premeditated suffocation in bed."
Other material included multiple pages of material associated with the rap group Insane Clown Posse.
In total, the box contained 278 pages of material