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Santa Ana man convicted of killing 9-month-old baby

November 3, 2011 |  1:11 pm

Photo: Alexander Lucas Barnes. Credit: Santa Ana Police Department A Santa Ana man was convicted Thursday of killing his girlfriend's 9-month-old son by repeatedly crushing the child's head against a wall in order to make him stop crying.

Alexander Lucas Barnes, 20, was found guilty of second-degree murder and child abuse resulting in death. He faces a maximum sentence of 25 years to life in state prison and will be sentenced in January.

In October 2009, Barnes was baby-sitting Isaiah Prim-Ortiz while his girlfriend attended class at a nearby community college. Barnes was not the child's biological father.

According to a news release from the Orange County district attorney's office, Barnes inflicted "blunt force trauma" on the baby to quiet the child before placing him back in his crib.

Shortly after 1 p.m., the child's mother returned to find that her baby was not breathing, the release said. The child died in the hospital shortly after 4 p.m. due to multiple skull fractures inflicted by Barnes.


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Photo: Alexander Lucas Barnes. Credit: Santa Ana Police Department