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Bryan Kohberger, the convicted killer of four University of Idaho students, has been asking prison officials to transfer him to a different unit because he says he’s being harassed and threatened by other inmates. In multiple handwritten complaints, the 30-year-old, former criminology Ph.D. student, serving life at the Idaho Maximum Security Institution, has requested to be transferred from J Block, a housing unit for high-risk and high-profile offenders, to the less populated B Block.

In notes first obtained by People, Kohberger, who is serving a life sentence, wrote that he has been “verbally harassed minute-by-minute” since being placed in J Block. “Inmate 1 came up to me and said ‘I’ll b— f— you’ and Inmate 2 responded with, ‘The only a– we’ll be eating is Kohberger’s,’” he added. Kohberger says these threats have been made against him “daily” since he was placed in J Block on his second day. Kohberger also noted that when he first arrived he was housed in B Block. However, after two days he was told he was going to be placed in J Block.

The threats, Kohberger wrote, started on his second day there. “From day 2 until today I have been threatened by multiple inmates in this unit,” he wrote. “I was not put in J Block until two days ago.”

Prison guards confirmed hearing “demeaning comments” directed toward Kohberger, but they could not recall the exact details. In one of his complaints, Kohberger wrote that he was looking to be placed in another form of administrative segregation (ad-seg) that would protect him from the threats he’s been made. “Tier 2 of J Block is an environment that I wish to transfer from if possible,” he wrote. “I request transfer to B Block immediately. I wish to speak with you soon.”

In his notes, Kohberger also stated that he has not been involved in disciplinary disturbances in his unit like “flooding” or “striking.” Flooding, in prison terms, refers to the act of blocking up sinks and toilets with items to cause damage to the facility, while striking can include actions like not showing up for work, fighting, or other forms of insubordination. Kohberger has not been involved in any of these activities, he noted, and should be moved as soon as possible for his own safety.

In a statement, a spokesperson for the Idaho Department of Corrections said that as of Wednesday Kohberger remained in J Block. They have not confirmed whether they will transfer him to B Block.

Kohberger’s request to be moved comes as his time in prison has been marked by difficulties. In his previous stay at a county jail, Kohberger was reportedly mocked by other inmates. In one instance, an inmate in the neighboring cell yelled, “you suck,” to Kohberger when he was on a video call with his mother. In another, one prisoner described Kohberger as a “f—ing weirdo.” He added that he would have beaten up Kohberger but feared punishment.

Kohberger’s behavior has also reportedly caused some issues with other inmates, according to a court document. Kohberger’s sister had described her brother in one interview as socially awkward with a “piercing stare” and described his social perception as “fair to poor.” And as prison experts point out, this behavior, paired with the notoriety of his case, can make some people targets for other inmates in the prison system.

In Kohberger’s case, it was likely a target painted on his back as soon as he arrived. “High-profile criminals, whether they have committed violent acts or not, often become the subjects of other inmates’ attempts to assert dominance, bully, or harass. This is because they become perceived as valuable targets. Once again, violent offenders are at the top of the list,” said Doug Berman, a law professor at Ohio State University and co-host of the sentencing law blog “Sentencing Law and Policy.”

“Mr. Kohberger’s crime and his demeanor and reputation in general make him more of an easy target,” a source familiar with the situation told People.

Some have also said that Kohberger has slimmed down since the trial. In fact, a source told People that Kohberger had lost a significant amount of weight while in prison over the last two and a half years.

It’s worth noting that Kohberger is housed in one of the toughest prisons in the state. Kohberger was sent to the Idaho Maximum Security Institution, home to the state’s most notorious criminals, including death row inmate Chad Daybell, who was just sentenced to death earlier this month.

“It must be incredibly challenging for him to be in a place like that,” Berman added.

And for context, Jeffrey Dahmer, the infamous serial killer who was taunted and harassed for years, was eventually killed by a fellow inmate in 1994. It’s not clear whether prison officials will be able to transfer Kohberger to a safer unit in the prison, but experts warn he could also be in some danger. Kohberger is still in J Block, but prison officials said he would continue to be strictly monitored by prison officials in the coming weeks and months.