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The man who killed four University of Idaho students in a 2022 home invasion is seeking a transfer from the Maximum Security Institution after claiming he’s being “subjected to constant harassment and threats.” Bryan Kohberger, the 30-year-old former criminology Ph.D. student who was sentenced to life in prison without parole for the quadruple homicide, has filed several handwritten complaints claiming he is under constant attack from inmates. One complaint says he has been the victim of “minute-by-minute” verbal harassment in J Block, the housing unit that includes the state’s death row and other maximum-security inmates, according to People. In one passage, Kohberger claimed an inmate said to him, “I’ll b— f— you,” while another inmate remarked, “The only a– we’ll be eating is Kohberger’s.”

Kohberger had first requested a transfer from J Block two days after he was placed there, a request he followed up less than a week later. In a note included with one of the complaints, Kohberger appears to have asked prison officials to transfer him to B Block, a quieter part of the prison where he could feel more secure. “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.”

He also added, “I have not and will not flood or strike.” “Flooding” is prison slang for blocking toilets or sinks to cause water damage, while “striking” can sometimes be a signal that an inmate is refusing to work, fighting, or otherwise acting out. A prison guard confirmed that Kohberger had been subjected to “copious amounts of vulgarities” but said he did not recall the specific threats being made against Kohberger. As of this week, the prison’s online offender lookup tool still indicates Kohberger is in J Block, and prison officials have not publicly responded to the request. A spokesperson for the Idaho Department of Correction has not responded to TIME’s request for comment.

Troubles in J Block and Beyond

Kohberger’s time in prison has included numerous run-ins with other inmates. During an early stint in county jail, Kohberger was mocked by other inmates, one of whom shouted “dirty baldy!” at Kohberger while his mother was on a video call. Another inmate called Kohberger a “f—ing weirdo” who he would have beaten if he “had any balls.”

In filings during Kohberger’s trial, his attorneys depicted him as a socially awkward person with a “piercing stare” who lacked social grace. “Mr. Kohberger’s physical and social awkwardness have made him an easy target for bullies in the past,” his defense team wrote in a court filing in the days before his trial. An expert in prison life and inmate violence told TIME that Kohberger’s lack of social graces and his high-profile status as a convicted quadruple killer only add to the likelihood that he will be targeted for threats. “Inmates that are high profile face threats from other inmates all the time,” one prison consultant with the prison consulting firm told TIME. “In Kohberger’s case, his own demeanor also makes it worse.”

Kohberger has lost weight since being in custody for nearly two and a half years, TIME has reported, and his new facility includes some of the state’s most notorious criminals, including death row inmate Chad Daybell. Another prison expert told TIME that Kohberger’s notoriety and perceived awkwardness could make him a candidate for the same fate that befell serial killer Jeffrey Dahmer, who was killed by another inmate in prison after years of harassment. For now, Kohberger is under supervision at the Maximum Security Institution where he will be forced to serve out his life sentence without the possibility of parole. It is unclear if he will be granted a transfer as state prison officials have not publicly addressed his complaints. What is certain is that the animosity against Kohberger is unlikely to dissipate any time soon, and his life behind bars will be defined by a near-constant state of conflict, threats, and isolation.