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Man receives 30-year prison sentence for abuse resulting in death of girlfriend's 3-month-old son

Posted: 11:52 AM, Aug 21, 2018
Updated: 2018-08-21 17:52:55Z

THORNTON, Colo. – A 20-year-old man was sentenced Monday to 30 years in prison for abusing his girlfriend’s 3-month-old son so severely the infant died.

Isaiah Marquez, 20, pleaded guilty May 9 to child abuse resulting in the death of his girlfriend’s infant son. Police arrested Marquez in early May 2017 after the infant was found unresponsive inside a home in the 9100 block of Gale Blvd. in Thornton.

The infant was taken to North Suburban Medical Center where he was pronounced dead. He suffered a skull fracture and brain hemorrhages in the abuse, prosecutors said.

Marquez was caring for the baby while his mother, Samantha Garcia, left home to get dinner. Police said Marquez was not the child’s father and that he gave varying versions of the incident to police.