in on them burglarizing her West Side home, according to court records.

Daniel Saucedo, 18, and Matthew Dempsey, 18, are facing capital murder charges in the death of Mary Helen Dempsey, Matthew Dempsey's mother. Both were booked into the Bexar County Jail on $1 million bails.

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According to an arrest affidavit for Saucedo, Dempsey confessed to killing his mother with Saucedo's help. Dempsey told investigators that he and Saucedo went to his mother's home in the 7500 block of Stagecoach Lane sometime Monday night or early Tuesday morning, police said.

They entered with a key and began "gathering items they were going to take from the home," the affidavit says. Dempsey was armed with a loaded gun at the time,authorities said.

As they were rounding up their haul, Mary Dempsey returned home. She turned on the lights, and her son immediately attacked her from behind with a bat, the affidavit says. Saucedo then joined in and beat her with a bat, according to police.

Dempsey confessed to investigators that they then got a knife from the kitchen and slit his mother's throat. He gave Saucedo some duct tape to bind her and then covered her with a blanket from his mother's bedroom, the affidavit says.

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The two suspects then went through her wallet and loaded the stolen items into her car. Saucedo left in Mary Dempsey's car, and they later withdrew money from her account at an ATM, according