INDIANAPOLIS—A 17-year-old Indianapolis boy has been charged with murder for allegedly fatally shooting his father, stepmother, two teenage relatives, and a 19-year-old pregnant woman in the family’s home, a prosecutor announced Thursday. Raymond Ronald Lee Childs III, who was arrested Monday, was charged as an adult with six counts of murder, including one count for the death of the woman’s unborn child, Marion County Prosecutor Ryan Mears announced at a news conference. The baby had been due to be born in one week, he said. Childs also faces an attempted murder charge in the wounding of another relative, a male juvenile who was the sole survivor of Sunday’s shooting at the family’s home on Indianapolis’s near northeast side, authorities said. He was also charged with one count of carrying a handgun without a license. Mears said that before the shootings, Raymond Childs III had a dispute with his father, 42-year-old …