By George Hunter From The Detroit News DETROIT—Two teens have been arrested in connection with the killing of three people in a west-side home, including a 5-year-old boy who was shot multiple times days before his birthday, police said Tuesday. The suspects, ages 16 and 17, were arrested Monday and have been remanded to the Wayne County Juvenile Detention Facility as police prepare warrants seeking murder charges, Detroit Police Cmdr. Michael McGinnis said during a Tuesday press conference at Detroit Public Safety Headquarters. Citing the open investigation, McGinnis declined to release some details of the incident, including when the killings are thought to have happened or the possible motive, although Police Chief James White said whatever prompted the killings is immaterial. “It’s just inexcusable, whatever the issue was, to get that outraged, to bring a baby into this and kill him,” White said. A relative of one of the victims …