Key facts
- Michael McHenry is accused of killing his girlfriend.
- An off-duty Suffolk County police officer observed McHenry speeding.
- The victim was the mother of three children.
Prosecutors allege that Michael McHenry brutally killed his girlfriend, who was the mother of three children. The incident came to light when an off-duty Suffolk County police officer observed McHenry speeding away from the scene. The officer's alertness reportedly played a role in McHenry not escaping.