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Inmate Bryan Kohberger, who was convicted for the murder of four University of Idaho students in a 2022 off-campus home invasion, has reported being harassed and threatened by other prisoners at the state penitentiary, according to several notes and a handwritten request seen by PEOPLE. The 30-year-old former criminology Ph.D. student was sentenced to life in prison without parole last October at the Idaho Maximum Security Institution (ISIS), a maximum-security prison in the Idaho City. Kohberger now wants to be transferred from his current housing to another wing.

Kohberger claims in prison documents first obtained by PEOPLE that he’s received “minute-by-minute” verbal threats from other inmates since he first arrived in J Block, the prison’s most secure wing for high-profile and high-risk inmates that also houses death row. Kohberger, who did not have a public criminal history before the killings, has detailed several graphic threats in his prison notes, including one inmate allegedly saying, “I’ll b— f— you” and another reportedly saying, “The only a– we’ll be eating is Kohberger’s.”

He detailed the harassment in handwritten notes and letters over the last month, claiming that the threats began two days after he was housed in J Block. Three days later, on Jan. 28, Kohberger filed a handwritten note to prison officials, stating that he had requested an immediate transfer to B Block because he needed a quieter and safer place to be housed. “Tier 2 of J Block is an environment that I wish to transfer from if possible,” Kohberger wrote. “I request transfer to B Block immediately. I wish to speak with you soon.”

In the note, Kohberger stated that he has not engaged in typical forms of prisoner mischief such as “flooding” (blocking toilets or sinks with substances to cause water damage) or “striking” (remaining on a “sit-in” or fighting). Kohberger’s guards have also confirmed to PEOPLE that they’ve heard inmates yell lewd statements at the inmate. One, however, said he did not know the exact words.

Kohberger was not moved as of this week, with state prison officials having not confirmed publicly whether he would be moved or not. In recent days, his status had still listed him in J Block, where he’s under close guard. The Idaho Department of Correction declined to comment publicly to PEOPLE on Kohberger’s allegations.

Kohberger, a former University of Idaho criminology Ph.D. student, experienced taunts from other inmates prior to being sent to the state prison. He first spent time in a county jail, where he also was the target of inmates’ taunts. At one point, while Kohberger was on a video call with his mother, another inmate shouted through the speaker, “You’re a piece of s—” and other insults. Another inmate called him a “f—ing weirdo” and later said he would have attacked Kohberger if not for his parents being at Kohberger’s home, according to court documents and experts familiar with the case.

The court filings, including Kohberger’s trial, had noted that he was socially awkward and lacked normal social skills, with one description saying that Kohberger had a “piercing stare and seemingly poor social awareness.” One prison consultant familiar with Kohberger’s case and inmate behavior told PEOPLE that high-profile inmates are almost always likely to experience problems inside prison.

“High-profile offenders nearly always draw hostility,” the consultant added. “For Kohberger, his personality and notoriety put an even bigger target on his back.” Kohberger has also lost weight in the last two and a half years since he was arrested and convicted, with one source saying he had become “frail.” Kohberger, at ISIS, is housed among some of the state’s most notorious inmates, including Chad Daybell, who is housed on death row for the murder of two women and his second wife. Kohberger has experienced an inhospitable reception in the prison, and one expert cautioned his experience would follow the path of other notorious inmates, like Jeffrey Dahmer. The serial killer, who raped and murdered numerous men and boys, was taunted for years in prison until he was eventually killed by another inmate in 1994.

Kohberger remains in J Block in the Idaho prison on heavy watch, according to prison officials. It’s not known whether Kohberger will be moved following his requests. Kohberger’s notes have at least underscored the perils high-profile inmates face. For Kohberger, his infamy, strange behavior and now a highly-publicized murder have made him a marked man. Life inside ISIS might be no more hospitable than the courtrooms where he was on trial.