Days before Daniel Myers fatally stabbed his cellmate, he apparently warned a health care provider during a prison psychiatric evaluation exactly what he planned to do.

Myers was sentenced last week to 50 additional years in prison for first-degree murder. He had pleaded guilty in February to killing Nicholas Delfosse in May 2023.

Hours after the killing, Myers told a detective about his earlier psychiatric evaluation. Myers recalled saying, “If you put me in a cell with someone, I am going to kill him,” according to a transcript provided in court documents.

Delfosse, who was 27 when he died, had been in prison for about two months after being unsuccessfully discharged from an inpatient rehabilitation center in March 2023, according to court records. He had been in drug court for violating his probation on burglary charges when he was caught with a stolen bicycle and fled police in February 2022.

Delfosse was serving his time at Jessup Correctional Institution when, in May 2023, he was paired with Myers in Cell 214 on Tier B, Building B. Myers, who was serving time for a series of charges including armed robbery and assault, had been occupying the cell by himself.

Delfosse’s mother, Debra Jo Maresh, said she has questions about how the two ended up cellmates and why the prison system hasn’t been more forthcoming.

For instance, Maresh said she only learned that her son was stabbed when she spoke to the funeral director.

Weeks after Delfosse was killed, she added, a concerned friend of his who was still incarcerated contacted her. He said Myers had warned prison officials of his pledge to kill his next cellmate, and he told Maresh that Delfosse had been in a fight the week before. That, the prisoner said, was how Delfosse ended up in the cell with Myers.

Maresh, who flew to Maryland from North Carolina to attend Myers’ sentencing hearing, said she will continue to press the prison system for accountability.

“I just don’t trust these people,” Maresh said of the Maryland corrections department. “I’m sure my son is not the only one who didn’t get treated fairly.”

The Maryland Department of Public Safety and Correctional Services said in a statement that it “cannot comment on specific housing arrangements or any case file information specific to an incarcerated individual.”

In October 2022, Javarick Gantt, a 34-year old man who was deaf and used sign language to communicate, was killed by his cellmate, according to prosecutors. Friends and family of Gantt have questioned how he ended up in a cell with Gordon Staron, who was being detained on a murder charge. The corrections department has not commented on that case or explained that housing decision.

In its statement, the corrections department also declined to answer questions about Myers’ warning to corrections officials, saying that “any questions concerning court documents should be directed to the Maryland State Police or the State’s Attorney for comment.”

Myers’ attorney could not be reached for comment.