Gabby and Cassy Hewes and the six other people were stabbed near the Wynn Las Vegas around 11:40 a.m. on Thursday, Oct. 6, according to loved ones and local police. Two of those victims died.
The suspect has been identified as Yoni Barrios, a 32-year-old Guatemalan native who carried out the attack to "let the anger out," abc7 reports.
More than $16,000 had been raised for the Hewes sisters on a GoFundMe page as of Tuesday, Oct. 11.
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