A South Memphis man was was sentenced Friday to life in prison without parole plus 30 years, said Shelby County Dist. Atty. Gen. Amy Weirich.
Marlon Boyd, 45, was convicted last month of first-degree murder in the shooting death of an acquaintance two years ago.
He was also convicted of aggravated assault and possession of a handgun as a convicted felon, authorities said.
Boyd was walking with 47-year-old Michael Richard in 2014, when he shot Richard in the chest in the street in front of the victim’s home in the 1700 block of Preston.
Boyd then turned to a bystander and threatened to kill him if he told anyone what he had seen. The witness testified as a key witness in the trial, said authorities.
The defendant’s motive for the killing was not determined.
He recently was sentenced to 10 years in federal prison on federal gun charges.
Boyd, whose Facebook name is “Shotgun Marlo,” was convicted in 1991 on second-degree murder and aggravated robbery charges and served nearly 20 years in prison.