After the two men convicted of killing her youngest son, Zack, were sentenced to prison Tuesday, Silvia Rosales stood outside the Mineola courtroom and tearfully hugged relatives.

"I'm all numb," she said.

In a courtroom packed with supporters of the Rosales family, Cristian Sandoval, 18, of Westbury, and Douglas Fuentes Gonzales, 25, of New Cassel, were sentenced for their role in the death of Zack Rosales, a 16-year-old Westbury High School student.

"There will always be an empty seat at our table and unbearable sorrow in our hearts," his oldest brother, Marcelino, 29, told Nassau County Court Judge Tammy Robbins in a victim impact statement.

Last Aug. 7, Zack Rosales was walking home with a friend on Nassau Street in Westbury just off the corner of Cross Street after leaving a movie theater when the pair chased him down a Westbury street, according to prosecutors. Sandoval yelled gang slogans while Gonzales beat Zack Rosales, who was not a gang member, with a belt, and Sandoval fatally stabbed him 11 times, prosecutors said.

"His fatal mistake was to choose the wrong street to walk down," said Assistant District Attorney Anna Acquafredda after the sentencing.

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