Police are looking for Demarco Gregory James, of the District, who allegedly shot and killed a man at James’s ex-girlfriend's house in Bowie. (Courtesy of Prince George's County Police)

A D.C. man is on the run this morning following a domestic-related homicide in Prince George’s County, authorities said.

According to police, 30-year-old Demarco Gregory James, of Northeast Washington, shot and killed 27-year-old Michael Leo Reese, of Southeast Washington, on Sunday at the home of James’s ex-girlfriend in Bowie.

Police said James confronted Reese at the home, in the 2500 block of Nicol Circle, shortly before 6 a.m., then shot him. Reese died at the scene, police said.

James was accompanied at the incident by 32-year-old Vincent Michael Martin, also of Northeast Washington. Police said the two men lived at the same address in the 1500 block of 45th Street NE.

Police did not elaborate on Martin’s involvement in the shooting but indicated that he was arrested on Sunday and charged with first- and second-degree murder.

Authorities are still looking for James, who they said faces a first-degree murder charge.

Anyone with information can call 301-772-4925, send a text message to CRIMES (274637) or submit a tip online at pgcrimesolvers.com.