Kansas City police spokesman Darin Spann said Belcher shot and killed Perkins at a suburban home and then drove five miles to the team's practice facility adjacent to Arrowhead Stadium in Kansas City, Mo. The player then shot and killed himself about 8 a.m. CT.
Authorities said that Belcher and his girlfriend had been arguing recently. The couple leave behind a 3-month-old daughter.
Authorities reported receiving a call Saturday morning from a woman who said her daughter had been shot multiple times. The call actually came from Belcher's mother, who referred to the victim as her daughter, leading to initial confusion, police said.
Belcher was met by coaches in the parking lot of the practice facility and took his own life moments thereafter, according to Kansas City police supervisor Andrea Khan.
Upon arriving at the football facility, Snapp said, police saw a black male in a car with a handgun to his head talking to Chiefs officials. That's when police heard a gunshot.
The men included general manager Scott Pioli and coach Romeo Crennel.