The teen is charged with first-degree premeditated murder of his mother, Gail Cleavenger.
Authorities say a 15-year-old Florida boy was charged in his mother's strangulation death after her body was found buried at a nearby church.
Police say Ramos and his mother got into a bad argument after he came home with a "D" in one of his subjects.
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Chitwood said Ramos allegedly believed his mother was dead and went to get a wheel barrow to retrieve her body, but when he returned he noticed she was still alive and strangled her again. After disposing of the wheelbarrow outside of town, Chitwood said Ramos enlisted the help of two of his friends, both 17, to help him dispose of the body and stage a burglary.
Dawn Marie, a family friend, told Inside Edition Ramos is "not the monster they say he is", adding, "he was brought up in a loving home by loving parents". The Associated Press typically does not identify juveniles charged with crimes. Ramos was a member of the Orange City Police Explorers and took criminal justice classes in which he studied crime scenes, reported the Orlando Sentinel.
The sheriff said the attack took place after Cleavenger called her husband - the teen's stepfather - Thursday night to inform him about her son's D grade and an argument that took place after she learned of it, while he was away on a business trip in Washington state.
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Investigators say Ramos woke her up and strangled her around 12:30 a.m. Authorities plan on exhuming her remains from fire pit grave on Saturday.
Volusia County sheriff's detectives are investigating the suspicious disappearance of a DeBary woman who went missing Friday and is considered endangered.
He also reported his mother missing and said there was a van with the engine running sitting in his driveway.
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Detectives found the computer and other items, including a PlayStation 4 and a rifle, that had been removed from the home to stage the burglary. Deputies also recovered a shovel and broom used to bury Cleavenger and straighten up the scene around the fire pit. Further, "he's probably one of the top three sociopaths I've come across".