Siddartha P. Surapanani, an 18-year-old pre-med student and emergency medical technician from Belle Mead, pleaded not guilty on Nov. 9 to criminal charges stemming from a high-speed crash that killed a mother of two in July. During the arraignment hearing in Somerset County Courthouse, prosecutors disclosed a plea offer that would require Surapanani to serve 20 years in state prison in exchange for pleading guilty to first-degree aggravated manslaughter and leaving the scene