HOUSTON (CBSDFW.COM/AP) — A North Texas woman on Texas death row for the starvation death of a 9-year-old boy has lost a federal court appeal, moving her a step closer to execution.

The 5th U.S. Circuit Court of Appeals Thursday refused arguments from 37-year-old Lisa Ann Coleman, condemned for the 2004 death of her partner’s son, Davontae Williams. Coleman contended unsuccessfully her attorneys at her 2006 trial in Tarrant County were deficient in their investigations and she actually was innocent of the child’s death.

Jurors heard testimony Coleman beat, bound, neglected and starved the boy who was found with more than 250 wounds on his body.

His mother, Marcella, pleaded guilty to avoid a death sentence and is serving a life prison term.

Coleman, formerly of Arlington, is one of 10 condemned women in Texas.

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