A Columbia teenager was sentenced to 55 years in prison Thursday for chasing after another teen during an argument and shooting him to death in August 2006, according to the Howard State’s Attorney’s Office.

Monti Fleming, 17, of the 6500 block of Overheart Lane, was convicted by a jury in January of first-degree murder for shooting Shawn Powell, 18, of the 5400 block of Harpers Farm Road in Columbia.