A 19-year-old Darnestown man, Liam Coskun, pleaded guilty Tuesday in Montgomery County Circuit Court to grossly negligent manslaughter and unauthorized use of a motor vehicle in connection with a collision that killed 88-year-old Myrtle Gottlieb and injured another person.
Under the plea agreement, Coskun faces a maximum sentence of 13 years in prison. Sentencing is scheduled for October 23, 2026…