The Dallas Police Department said a second person has been arrested in connection to the death of a 5-year-old boy who was found dead in a South Dallas home on Monday, June 27.

As reported by The Dallas Express, officers responded to the 2800 block of Silkwood Street in South Dallas following a report of an injured child. Dallas Fire-Rescue also responded to the scene and pronounced the child dead at the scene. The child was identified as Zamaurian Kizzee.

Police arrested the child’s mother, identified as Tiffany Williams, 26, after an investigation revealed the child showed signs of trauma.

Dallas PD announced on Facebook that on June 28, police arrested a second person, identified as Ulysses Kizzee, 74, in connection to Zamaurian’s death. Police did not say how Kizzee is related to the child.

Kizzee is now facing a first-degree felony charge of Injury to a Child/Serious Bodily Injury by Omission.

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Kizzee was booked into the Dallas County jail; a judge set his bail at $500,000. It is not clear if he has an attorney.

Williams, who remains in custody, had her bail set at $1 million.

According to an arrest warrant affidavit, Williams told police that she called a relative at about 10:30 a.m on Monday, June 27, and told him the child was dead. The relative then went to Williams’ home, where he found the child dead with injuries to his head, face, and back.

According to the affidavit, Williams allegedly told investigators she beat the child multiple times. She also apparently admitted to punching the child in the temple and abdomen on Sunday, June 26, and to striking the child with an extension cord several times, causing severe injuries to the child’s body.

The Texas Department of Family and Protective Services (DFPS) told The Dallas Express that Child Protective Services had previously been involved with the child’s family.

A spokesperson from DFPS added that the department could not share details of past involvement with the child’s family because state laws prevent them from doing so.

The family’s five other children, aged 7, 6, 3, 1, and 3 months have been placed into foster care.

The Dallas Police Department’s Child Abuse Unit is leading the investigation into the child’s death.