David Sullivan pleads not guilty to all charges in Dennis boat crash that killed 17-year-old Sadie Mauro
BARNSTABLE - Nineteen-year-old David Sullivan has been released on $5,000 bail after pleading not guilty to several charges in the boat crash that killed 17-year-old Sadie Mauro in Dennis last summer.
Sullivan, who is attending college out of state, made a brief appearance in Barnstable Superior Court Tuesday morning, more than a week after he was indicted by a grand jury.
The Cape and Islands District Attorney's Office said Sullivan was drunk while operating the boat when it crashed in Sesuit Harbor around 9 p.m. on Friday, July 21. Mauro died. She was a lacrosse star at Dover-Sherborn High School and just weeks away from starting her senior year. Mauro had verbally committed to play lacrosse for Gettysburg College in 2024.
A total of six people were on the boat. Two were seriously hurt.
District Attorney Robert Galibois opened a criminal investigation into the crash in August. Sullivan, who is from Medfield, was indicted on September 29.
He's charged with the death of a person caused by operating a boat under the influence of liquor, possessing false RMV documents, being a minor in possession of alcohol, operating of a vessel under the influence of liquor causing serious bodily injury and reckless operation of a vessel causing death.
Sullivan pleaded not guilty to all five charges in the indictment. He was released on $5,000 cash bail and ordered to surrender his passport. He's due back in court December 14.