A 22-year-old woman stabbed her two young sons to death, then calmly held her wrists out to police officers who arrived at her home and said "I killed my babies," authorities said.

Elyse Marsyl Colon was being held Wednesday on two counts of capital murder of a child in the deaths of her sons, 3-year-old Jose Luis Garcia and 1-year-old Guillermo Garcia. Her bond was set at $2 million.

"Words can't describe the scene," San Antonio police Chief William McManus said. "It was unspeakably sad."

Colon was waiting outside her home when officers arrived Tuesday evening and put her hands behind her back as they approached, police said. When an officer asked "What happened?", Colon allegedly responded with, "I killed my babies."

An officer kicked in the locked front door of the home and found the boys lying on a bed, according to police. After Colon was placed in the patrol car, she allegedly told police, "Their father was in jail, I want him to know."

Public records show that Luis Alonso Garcia, who lived at the same address, was arrested in September for illegal entry and for family assault, a third-degree felony. More information was not immediately known.

Jail records indicated Colon did not have an attorney. She cursed at reporters while being taken to court for arraignment late Tuesday. She wore jeans, black ankle boots and a black "Don't Mess with Texas" skull cap when arrested, according to the police report.

The attack occurred less than three miles from the home where prosecutors say a woman decapitated and butchered her 3-week-old boy last summer. The woman, Otty Sanchez, is charged with capital murder.

On Colon's street, neighbor Angelica Puentes, 34, said she had talked to the woman a couple of times and said she seemed like she was in a daze.

"They can't speak for themselves, they can't defend themselves," Puentes told San Antonio television station KSAT. "They're very vulnerable right now. She just took advantage of that for whatever reason, I don't know."

State child welfare officials said Wednesday they were still looking into whether their agency had previously investigated the family.