Metro police detectives in Hermitage charged a man Sunday with criminal homicide for the shooting death of his pregnant girlfriend.Jordans Benoit called police at 1:45 a.m. Sunday and reported that his girlfriend had been shot inside their home located at 421 Raintree Place.Benoit, 32, told officers the gun discharged as he and Almise Derilus argued. Derilus, 44, was shot in the neck. She was eight months pregnant.Derilus was transported to Vanderbilt University Medical Center where she later died. Doctors were unable to save the unborn baby."I don't get it. Both of them were looking forward to that baby," friend Navalie Alvarez told Nashville's News 2.Alvarez said Derilus was a Haitian native and does not have any family in the area. "She was a wonderful person and mother," she continued. Derilus leaves behind a six-year-old son with Down syndrome. Benoit has been jailed on a $500,000 bond.Additional charges are expected, police said.