Texas Mom Pregnant After Allegedly Killing Infant Kids

Kristi-An Walker, 20, was charged with murder after police said she confessed to killing her kids.
3:00 | 10/10/12

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Transcript for Texas Mom Pregnant After Allegedly Killing Infant Kids
But I know she wouldn't have done man. -- Shelton says she refused to believe what her daughter is being accused of -- 22 of her infant grandsons. But according to Angleton police twenty year old -- -- walker admitted to beating and killing her four month old son in April 2011. And -- six month old baby son in July of 2012. Said she did. She hit him and accused police say it all started last year at the apartment she shared with her mother stepfather. Authorities say the mother of three confessed to throwing the baby born premature down the floor because it was too noisy. And she would just stormed down in the -- -- And then at times you think it hit a principal. The infant suffered trauma to his head -- Freeport police say after an autopsy ruled the death undetermined. A detective -- the case and walker moved into this house an -- to. Were able to police say she killed her six month old baby boy who was hooked up to a week that monitor. She says she was -- banging his -- produce some furniture in and the Walt in the walls because he would be trying to and it was frustrated. Not sure. Not sure all. She wouldn't have hurt -- Boise anyway she let those more boys more than anything. But -- to police say the evidence and this mother's confession. -- to murder.

This transcript has been automatically generated and may not be 100% accurate.

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