Suspect in Aiken County double homicide facing additional charges

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An Aiken man who was arrested and charged in the death of a mother and her daughter at an Aiken home is now charged with additional crimes.

Guillermo Diaz Jr., 23, is now also charged with two counts of kidnapping, one count of burglary in the first degree and one count of sexual assault with intent to commit criminal sexual conduct in the death of Veronice Negrete, 43, and Cassandra Negrete, 23, according to jail records.

He was originally arrested Oct. 1 and charged with two counts of murder and two counts of possession of a weapon during a violent crime.

Both victims were found dead with stab wounds at a residence in the 200 block of Weyerhaeuser Road. According to the Aiken County Coroner’s Office, Veronica was found on her bed, while Cassandra was found in a car in the backyard of the home.

Deputies responded to the home around 11:25 a.m. after Diaz called 911 and told dispatchers he was on the scene of a suspicious death. Upon arrival, Diaz was detained after the two victims were found. According to the incident report, Diaz was covered in blood talking on the phone.

USC Aiken confirmed Cassandra was a Psychology major at the school. Authorities confirmed Diaz was Cassandra’s ex-boyfriend.

He remains at the Aiken County Detention Center.

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