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The man accused of holding a woman hostage and torturing her for 15 hours in unincorporated Boca Raton was ordered to be held without bond Thursday morning.

Tzvi Allswang, 20, is charged with six different felonies, including attempted murder.

He appeared in court wearing a helmet to protect his injuries after he was shot in the head by a Palm Beach County sheriff’s deputy Saturday morning.

Court documents released Thursday provide details of the horrors the victim endured during her ordeal.

The woman’s name has not been released, but an affidavit of probable cause identified her as a social worker who went to Allswang’s home on Larkspur Trail for a 6:30 appointment Friday evening.

The woman said she’d met with Allswang 4 or 5 times, and there had always been other people around.

She said when she arrived at the home, she saw other cars in the driveway and thought she wouldn’t be alone with Allswang.

She said it wasn’t unusual for her to not see those people during her appointments with him.

However, the affidavit quotes the woman as telling police the nightmare began as she tried to leave the home after the appointment.

“Suddenly she was grabbed around her chest in a bear hug by Tzvi and he was telling her that she could not leave,” the affidavit said. “Tzvi eventually bound her hands together as if she was praying behind her back with duct tape.”

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The affidavit goes on to say Allswang took the woman’s phone and placed it “in airplane mode and wrapped her phone in aluminum foil and duct tape to prevent communication.”

It said the only time Allswang turned the phone on was to send text messages to the victim’s girlfriend, telling her first that she had been pulled over by police and later that police were taking her to a hotel for the evening.

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The affidavit includes details of the 15 hours of assaults, both beatings and sexual assaults.

“She thought on several occasions that he was going to kill her,” the affidavit said.

The woman’s family reported her missing, and at 9:30 Saturday morning, deputies broke down the door and found Allswang in a closet, holding the woman at knifepoint.

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The affidavit quotes the victim as telling investigators, “Tzvi did not respond or comply with their orders (to drop the knife) and eventually she heard one loud gunshot and then the knife was no longer to her throat.”

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