Warning: Distressing content ahead.

A New Jersey man is Marcus Eriksoncharged with murder after police say he decapitating his mother and was allegedly singing religious songs as he was arrested.

According to a press release from the Cape May County Prosecutor, police in Ocean City, New Jersey got a call from Jeffrey Surgent at around 4:00 p.m. on Friday Dec. 8 reporting the murder.

Surgent, 46, told police that "he suffers from mental illness, and he just killed his mother."

When police arrived, they found 74-year-old Alexandria Surgent dead.

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Police make gruesome discovery

NJ.com, citing court documents, reported that Jeffrey Surgent was in a hallway outside the apartment on top of the woman's headless body.

According to the documents, he was nude, covered in blood and her head was found a few feet away.

WPVI reported that the apartment was part of the Ocean City Housing Authority and had security footage. The footage was used in the investigation and showed the head being thrown out of the apartment, before Surgent is seen peeking into the hallway, NJ.com reported. He then allegedly dragged his mother's body into the hallway.

“He is nude and proceeds to lay on top of her until patrol arrives," the affidavit said, according to NJ.com.

According to court documents, Surgent repeatedly apologized for killing his mother when police arrived. He was also allegedly singing "Jesus Loves Me" as police took him into custody, WPVI reported.

He was charged with first degree murder and is currently being held in a "secure medical facility," according to the prosecutors press release.