Marvin Orlando JohnsonLEONARDTOWN, Md. – State’s Attorney Jaymi Sterling announced that Marvin Orlando Johnson, 39, of Mechanicville, Maryland, was sentenced to Life, plus an additional 20 years in prison, for the premeditated murder of his stepfather on May 24, 2023Following a four-day jury trial in July 2024, a St. Mary’s County jury found Johnson guilty of first-degree…
