Nassau County District Attorney Denis Dillon announced that Marvin Osorio a 21-year-old street gang member from Westbury, has been given the maximum sentence of 25 years to life in prison for the Aug. 26, 2001 murder of a 14-year-old New Cassel girl.

Osorio was convicted on March 4, 2004 of murder - 2nd Degree in the shooting death of Jennifer Grimes of New Cassel. Osario was the driver of the car from which fellow MS-13 gang member Olvin Reyes, mistaking the victim's companions for members of a rival street gang, fired the shots that killed her. Reyes, 23, of Roosevelt was convicted in October 2003 of murder - 2nd Degree. He is awaiting sentencing.

Osario was sentenced by Nassau County Court Judge William C. Donnino. The case was prosecuted by Michael Walsh of the District Attorney's Major Offense Bureau.