Bryan Kohberger, the suspect in the Idaho college students murder, followed all 3 female victims on Instagram

Bryan Kohberger, the suspect in the murders of four Idaho college students while they slept in their beds last November, followed all three of the female victims on Instagram, but they didn't follow him back. Authorities have not revealed if the victims knew Kohberger, but PEOPLE has verified that the suspect's since-deleted Instagram account followed the profiles of Mogen, Goncalves, and Kernodle. Furthermore, an investigator familiar with the case previously told PEOPLE that two weeks prior to the killings, Kohberger allegedly sent one of the three female victims several messages. According to the source, one of the female victims received a message in late October from an account that officials suspect belonged to Bryan Kohberger. He apparently sent the user many more direct messages (DMs) after she hadn't responded. [caption id="" align="aligncenter" width="1500"] Image credit: People.com[/caption] The source stated, "Basically, it was just him saying, 'Hey, how are you?' But he did it again and again." But Kohberger reportedly never heard back. Additionally, the source for the investigation claimed, "[The victim] may not have seen them, because they went into message requests. We're still trying to determine how aware the victims were of his existence." Also read: Carole Baskin Claimed Her ‘Dead’ Ex-Husband Don Lewis Is Still Alive

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On November 13, Madison Mogen, Kaylee Goncalves, Xana Kernodle, and Ethan Chapin were fatally murdered in their off-campus Moscow, Idaho rental home. A masked assailant broke into the home and used a fixed-blade knife to stab all four students to death in their bedrooms. Two additional housemates were at home during the incident but escaped uninjured. Bryan Kohberger was taken into custody at his parents' Pennsylvania home on December 30. Charges against the 28-year-old graduate student and teaching assistant at Washington State University include four counts of murder and one count of felony burglary. On January 4, he was moved back to Idaho. [caption id="" align="aligncenter" width="1200"] Image credit: Opoyi[/caption] Moreover, since his arrest, information regarding the alleged killer's psychological background has been slowly emerging. An account that appeared to be Kohberger's from when he was a teenager on an online forum described him feeling depressed, dissociated, and free to do "whatever I want with little remorse." In addition, the person thought to be Kohberger was a member of a forum called "Visual Snow or Static," where individuals talked about visual snow syndrome, a rare condition that causes people to perceive static in their eyesight. Visual snow is "a neurological condition that impacts an individual's vision, hearing, and quality of life," according to Visual Snow Initiatives. Lastly, Kohberger forfeited his right to a prompt preliminary hearing and will return to court on June 26. He is detained without bond and has not yet entered a plea to the accusations leveled against him.