A teenage girl accused of killing mom and having him buried in a home after an argument about his grade D

According to the police, a Florida boy should be charged with murdering his mother after strangling and strangling him to death before she buried him in a church home.

The 15-year-old boy confessed to the murder of his mother, Gail Cleavenger, 46, according to Volusia County Sheriff Mike Chitwood.

The youth has not yet been charged or charged. Chitwood said it was expected that the prosecutor's office would soon be laying a charge of murder. The suspect, who is still in custody, is scheduled to appear in court on Sunday morning.

It is not clear if the teen will be charged as an adult. ABC News retains the name of the suspect because he is a minor and that he has not yet been formally charged with a crime.

The assault occurred early Friday morning after Cleavenger called his husband – the boy's stepfather – who was on a business trip to Washington State, and informed him of his son's grade D of the ensuing dispute, according to the police.

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It was a mother. This was a woman. It was a sister. By all accounts, she was an incredible human being.

Interviewed Friday at a press conference on the motivation of a matricide, Chitwood replied "Rage".

"Apparently, there was a dispute about [grading] with his mother, and after an argument that took place around 11 am, around 12:30 pm, he went to his room and woke her up and began to strangle her until he killed her ", Chitwood told reporters at a news conference.

According to the police, after strangling her with a rope, the son used a wheelbarrow to carry his mother's body in his truck and then drove him to the River City church and l & rsquo; Buried in a home.

The teenager allegedly involved two other friends who, he said, had helped him bury his mother and organize a burglary scene at his home. The police then announced that the teenager had returned from school Friday and called 911 at 15:52 to report a break-in.

The police also arrested his two friends, both 17 years old. The two alleged accomplices are still in detention. Although they have not yet been formally charged, the police said that they would probably be the subject of several criminal charges.

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He thought he was the smartest person in the room and continued to tell us his theories about what he believed and why: what happened to his mother and about which we should focus our attention.

"These guys helped him bury his mother here," Chitwood said. They helped him to organize a burglary and to conceal all the electronics[ere] stolen from the house. "

When the police arrived at his home, they found the front door depressed, the house ransacked and
The Cleavenger truck in the driveway with the engine running, according to a police statement posted on the ministry's Facebook page.

The investigators spent hours talking with his son, Chitwood said at Saturday's press conference.

"He thought that he was the smartest person in the room and kept telling us his theories about what he believed and why: what had happened to his mother and where we should focus our attention "said Chitwood.

Eventually, officials said the teenager had changed course, confessed to the murder and told the investigators of his plot and execution.

"She was a mom. This was a woman. It was a sister. By all accounts, she was an extraordinary human being, "said Chitwood.

Jason Volack of ABC News contributed to this story.