Denton police say Sarah Warriner was found decapitated in her apartment earlier this month, according to an arrest affidavit.

Isaac Warriner, the woman’s son and the lone suspect in her death, was booked into the Denton City Jail on Thursday evening. He had been in the Love County Jail in Oklahoma since his May 6 arrest. Warriner was moved to the Denton County Jail later Thursday night.

Investigators accuse Isaac Warriner in the affidavit of severing his mother’s head from her body and rinsing the hacksaw in a bathtub and toilet. Police said they found a hacksaw in the apartment, according to the affidavit.

Denton police are holding him on charges of abuse of a corpse and tampering with evidence, records show.

The Tarrant County Medical Examiner’s Office has still not ruled an official cause of Sarah Warriner’s death. Police said her body was likely found two days after she died. There is no clear timeline of when she died and when she was allegedly decapitated.

Police said the woman’s head was not at the apartment when they found her body. A police spokeswoman declined Thursday night to comment on whether the woman’s head has been found, citing the ongoing homicide investigation.

Sarah Warriner, 65, and her son, 22-year-old Isaac Warriner, lived together in the Denton apartment.

Just days before Sarah Warriner was found dead, a nurse at a Denton hospital called security on Isaac Warriner because, the affidavit says, he threatened to kill both himself and his mother. Police said he fled the hospital before officers arrived.

Denton Police Chief Frank Dixon said last week that his officers had responded to at least 12 calls from people concerned about Isaac Warriner’s behavior since February.

Dixon, taking questions in response to a report that multiple friends and even Sarah Warriner had been trying to get Isaac help, said the police could not legally do anything for him.

That is, Dixon said, because Isaac Warriner never told officers he would hurt anybody. Dixon said the 22-year-old also declined the mental health resources offered by the authorities, and on other occasions, Isaac Warriner could not be located by officers responding to calls, Dixon said.

But on May 5, police got a call from a neighbor saying Isaac Warriner “was acting weird” and was seen with “all types of cleaning supplies” outside the apartment, the affidavit shows.

Officers arrived to an unlocked apartment door, went inside and found Sarah Warriner’s body in a bedroom, according to the arrest affidavit. Isaac Warriner was not at the apartment, and Sarah Warriner’s car was missing, police said.

Isaac Warriner was spotted in his mother’s car by police in Gainesville the next day. He allegedly led them on a chase up Interstate 35 to Oklahoma.

He was arrested for eluding and taken to the Love County Jail, where he sat until Thursday. Isaac Warriner was booked into the Denton City Jail about 6:15 p.m. Thursday. He was moved to the Denton County Jail Thursday night.

His set bonds total nearly $300,000. The bond amount was updated on Friday.

DALTON LAFERNEY can be reached at 940-566-6882 and via Twitter at @daltonlaferney.

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