A woman accused of causing the death of a 4-year-old boy in Brownsville pleaded not guilty, Cameron County court records show.

Sendy Ruiz was charged alongside Karen Silva with injury to a child, elderly, or disabled individual with reckless serious bodily injury and mental impairment following the June 27 death of Logan Urbina. He was a student at the Learning Club Preschool where they worked.

Logan died after he had been left in a van for nearly five hours following a field trip.

READ MORE: Brownsville daycare employees indicted in hot car death of 4-year-old boy

On Thursday, Ruiz waived her arraignment and pleaded not guilty.

The indictments against both women accuse them of failing to make sure that no child was left behind in the van.

Silva and Ruiz were identified as the wome

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