A haunted 5-year-old boy watches as father casually confesses to committing a deadly massacre in the family home

A little boy watched as his father confessed to killing the boy’s mother and half-brother at the family’s Nevada home.

Karl Groschen, 41, made the shocking statement as his five-year-old son stood next to him and told officers: “You have to arrest me.”

He did so in newly released bodycam footage following the Oct. 11 murders of his wife Anastasiya Akutsina-Groschen, 44, and stepson Sergei Scoggins, 20. 8NewsNow reported.

The bodycam footage shows Groschen casually walking toward police as they arrive at the family’s comfortable $500,000 home, carrying what appear to be two pill bottles and a can of liquor.

After telling an officer about the bodies, the officer responds, “Who are they?” to which Groschen responds: “My wife and stepson.”

Groschen’s five-year-old son appeared in the footage as officers questioned the father about what happened, claiming the deaths occurred in self-defense.

“I thought they were trying to kill me,” Groschen said as he was handcuffed. “You have to take me with you.”

After the tragic double shooting, Andy Scoggins, Sergei’s father and Anastasiya’s ex-husband, shared his heartbreak with the Las Vegas Review-Journal while calling Groschen a “coward.”

Karl Groschen, 41, was seen on police bodycam footage coldly admitting to killing his wife and stepson at their home in Henderson, Nevada, on October 11, telling officers, “You need to arrest me.” . His five-year-old son is visible behind him

Karl Groschen, 41, was seen on police bodycam footage coldly admitting to killing his wife and stepson at their home in Henderson, Nevada, on October 11, telling officers, “You need to arrest me.”

Groschen’s wife Anastasiya Akutsina-Groschen, 44, and stepson Segei Scoggins, 20, were killed in the home after neighbors heard an argument followed by gunshots

The police bodycam footage was released this week as Groschen’s case is still in the early stages of pretrial, with his lawyers asking for a competency test to assess whether he is competent to stand trial.

Prosecutors allege Groschen shot his wife and stepson after an argument in their garage.

A neighbor told police she heard Groschen yelling at Scoggins to “get the (expletive) out of here” before pushing the 20-year-old to his car, according to court records.

The witness said seconds later they heard a shot and saw Scoggins running into the house. A few more gunshots followed moments later, they said.

In the bodycam footage, Groschen admitted to killing his family but said it was in self-defense before calmly telling officers where they would find the bodies.

His wife was found in the driver’s seat of the couple’s car in the garage, while Sergei was found shot to death in the home’s laundry room.

Records showed that the five-year-old son who was seen with Groschen admitting to the murder was picked up by child protective services after the shooting.

No further updates on where that child has been placed have been shared.

Photos released alongside the footage showed a gun next to the car, and the Clark County coroner’s office said both victims died of multiple gunshot wounds.

Groschen and Anastasiya shared a young child together, who was seen by his father on police bodycam footage admitting to the death. The child was later taken into care by Child Protection

Prosecutors released this image of a gun found near the car where Anastasiya’s body was found

Anastasiya’s body was discovered in the driver’s seat of the family car in the garage, while Sergei was found in the laundry room. Both suffered multiple gunshot wounds

Sergei’s father and Anastasiya’s ex-husband Andy Scoggins (pictured with Sergei as a child) said he has been left devastated by the deaths, and called for ‘coward’ Groschen to receive the death penalty if convicted

Groschen was arrested but has not yet entered a plea as his lawyer requested a competency assessment, which halted proceedings against him.

Weeks after his arrest, he was indicted on further charges of open murder and child neglect.

Sergei’s father Andy Scoggins said he was devastated by news of the deaths of his son and ex-wife, and called for Groschen to receive the death penalty if convicted.

“If he wanted to harm someone, why didn’t he harm himself?” he told the Review-Journal. “Because he’s a coward.”

Scoggins, who lives in Hanoi, Vietnam, said he was married to Anistasiya for about seven years and that she met Groschen on a dating app after their divorce.

Describing her as a “brilliant, driven woman,” he said, “She was once the light of my life.” She gave me the best gift anyone could ever give anyone, and that was my son.”

He said the witness account that Sergei ran into the house was his son’s courageous attempt to still protect his family.

“My son would never leave his mother or his brother with that monster Karl,” he said.