BALTIMORE -- Baltimore prosecutors are investigating whether they can charge an Elkridge man with vehicular manslaughter in the hit-and-run death of a Johns Hopkins University student.

Thomas Meighan Jr. turned himself in to police, though all but the most serious traffic offenses against him have been dropped. The remaining charges involve a separate crash with an SUV and leaving the scene of an accident in the fatal hit-and-run.

Police and prosecutors have not charged Meighan with vehicular manslaughter or negligent homicide in the death of 20-year-old Miriam Frankl, a junior from the Chicago area who was struck by a pickup truck Oct. 16 near the Hopkins campus and died the next day. They say they would need to conclusively place Meighan in the driver's seat of the truck when it hit her.