DOVER — A 19-year-old Smyrna man was shot to death during an alleged attempt to rob him of marijuana on May 13, a witness told investigating police, according to an affidavit of probable cause.

Smyrna High student Gary Adams died from a single gunshot wound suffered at the Walker Woods Development on Harmony Lane, the Dover Police Department said.

It was the fourth homicide in the city in 2015, according to authorities.

Damier Harmon, 18, and Bruce Manlove, 19, were arrested together in Philadelphia on May 15, and extradited to Dover to face charges, police said. Both had the same first block of Harmony Lane address listed in court documents.

Damier Harmon

On June 1, Mr. Harmon was arraigned through Justice of the Peace Court 2 in Rehoboth Beach and charged with first-degree murder, first-degree robbery, possession of a deadly weapon during the commission of a felony, possession of a firearm by person prohibited, possession of ammunition by person prohibited and second-degree conspiracy.

On the same day, Mr. Manlove was arraigned on charges including first-degree robbery, possession of a deadly weapon during the commission of a felony and second-degree conspiracy.

Police said officers were called to the scene of a shots-fired report at approximately 8:54 p.m. and arrived to find a wounded man later identified as Mr. Adams lying on the sidewalk between 120 and 124 Harmony Lane in back of Walker Woods. Immediate first aid was administered, police said.

Bruce Manlove

Mr. Adams later died from his wounds after being transported to Bayhealth-Kent General Hospital in Dover, authorities said.

An autopsy was conducted May 14, according to papers, and the cause of death was determined to be a gunshot wound to the upper torso and the manner of death was ruled a homicide.

After the men were apprehended by the Philadelphia Police Department on a first-degree robbery charge, Dover Police detectives traveled to Philadelphia on May 18 to investigate, papers said; authorities said further evidence obtained led to Mr. Harmon being charged with first-degree murder.

Alleged incident detailed

According to police in documents, a witness said he watched as two black males allegedly ordered Mr. Adams at gunpoint to turn over an unknown amount of marijuana.

The witness said one suspect was a tall skinny black male, the other a heavyset black male, papers said. Mr. Harmon was listed as 5-foot-9, 200 pounds in documents, Mr. Manlove at 5-foot-2, 130 pounds.

A witness said an altercation ensued during the alleged attempted robbery, and a gunshot was heard before Mr. Adams collapsed.

After that, the suspects were seen running south, papers said.

Another witness at the scene said the suspects were known as “BJ” and “Hamburger,” according to police in documents. Also, the suspect identified as “Hamburger” lived in front of Walker Woods and was on house arrest, according to a witness in documents.

The witness said “Hamburger” allegedly attempted to put something in a hooded sweatshirt as he fled the scene, according to papers. He described the man as a heavyset black male and “BJ” as tall and skinny, authorities said.

Through a photo lineup including five other people, Mr. Manlove was positively identified as “BJ,” police alleged in documents.

A check with Juvenile Probation found that Mr. Harmon was on house arrest at a location close to the incident, police said in papers. Also, Probation found through GPS that he allegedly was in the area of his home from approximately 8:35 p.m. until 9:50 p.m., authorities said.

According to Probation, police said in papers, Mr. Harmon allegedly cut off his home confinement anklet while fleeing the area at approximately 9:55 p.m.

Police said Mr. Harmon was later found delinquent of possession of a firearm by a prohibited juvenile in Kent County Family Court on June 5, 2014. He was positively identified through the Delaware Justice Information System, authorities said.