FALCON HEIGHTS, Minn. -- A woman who watched as a police officer fatally shot her boyfriend during a traffic stop streamed the gruesome aftermath of the slaying live on Facebook, telling a worldwide audience that her companion had been shot "for no apparent reason" while reaching for his wallet.
Within hours, the Minnesota governor was pressing for the Justice Department to open its second investigation of the week into the death of a black man at the hands of police.
"Nobody should be shot and killed in Minnesota for a tail light being out of function," Democrat Mark Dayton said. "Would this have happened if those passengers would have been white? I don't think it would have."
As night fell Thursday, national outrage over the killings exploded into violence in Dallas, where snipers fatally shot four police officers and wounded several more, authorities said.
The Hennepin County Medical Examiner said Philando Castile, 32, of St. Paul, died of multiple gunshot wounds. No other details about the injuries were released.
It was the second fatal police shooting in as many days. A 37-year-old black man was killed Tuesday by officers in Baton Rouge, Louisiana. Alton Sterling's death was caught on video.
The latest death happened late Wednesday in the St. Paul suburb of Falcon Heights, a mostly white community of 5,000 people that is also home to Minnesota's annual state fair and part of the massive University of Minnesota campus.
In that video, Diamond Reynolds describes being pulled over for a "busted tail light" and says her boyfriend had told the officer he was carrying a gun for which he was licensed.
Reynolds said Thursday that he was killed even though he complied with the officer's instructions. She told reporters that Castile did "nothing but what the police officer asked of us, which was to put your hands in the air and get your license and registration."
State investigators named Jeronimo Yanez and Joseph Kauser as the officers involved. Both had been with the St. Anthony Police Department for four years and were put on administrative leave, as is standard.
Yanez approached Castile's car from the driver's side, and Kauser from the passenger side, according to a statement from the Bureau of Criminal Apprehension. It said Yanez opened fire, striking Castile multiple times. No one else was injured.
Several videos, including squad car video of the incident, have been collected, but St. Anthony officers don't wear body cameras, the statement said.
The bureau did not give the officers' races. Reynolds described the officer who shot Castile as Asian.
Thomas Kelly, an attorney representing Yanez, did not immediately return a call seeking comment after the officers were identified. Kelly declined to comment on the case earlier Thursday.
The St. Anthony Police Department's 2015 annual report points to Yanez's volunteerism; he gave a tour of the station to a local Cub Scout troop and volunteered with St. Paul's Cinco De Mayo celebration, participating in a parade with other members of the National Latino Police Officers Association.
The previous year's report includes a photo of Yanez solemnly standing guard at a memorial to fallen officers at the state capitol.
The U.S. Department of Justice announced that it would monitor the investigation by the Minnesota Bureau of Criminal Apprehension. The governor said he and other state officials would seek more direct involvement.
On Wednesday, the Justice Department launched a civil rights investigation into the Baton Rouge shooting, which took place after Sterling scuffled with two white police officers outside a convenience store.
In a Facebook post Thursday, President Barack Obama called Sterling's and Castile's deaths "symptomatic of the broader challenges within our criminal justice system, the racial disparities that appear across the system year after year, and the resulting lack of trust that exists between law enforcement and too many of the communities they serve."
As word of the Minnesota shooting spread, Castile's relatives joined scores of people who gathered at the scene and outside the hospital where he died. He was a well-liked 32-year-old cafeteria supervisor at a Montessori school.
Speaking to CNN, Castile's mother said that she suspected she would never learn the whole truth about her son's death.
"I think he was just black in the wrong place," Valerie Castile said Thursday, adding that she had stressed to her children that they must do what authorities tell them to do to survive.
"I always told them, whatever you do when you get stopped by police, comply, comply, comply."
At a vigil Thursday evening outside the school where Philando Castile worked, Valerie Castile called her son "an angel." She said she never thought she would lose him.
"This has to cease. This has to stop, right now," she told the crowd.
Hundreds of demonstrators braved the rain and gathered to protest the shooting outside the governor's mansion in St. Paul, where a crowd had also convened the night before. Dayton waded through the crowd of about 1,000 as protesters chanted: "What do we want? Justice! When do we want it? Now!"
Relatives were outraged that Castile was not tended to after he was shot. Reynolds said it took about 15 minutes for paramedics to arrive.
William Moulder, a police consultant and longtime former police chief in Des Moines, Iowa, said all officers carry first-aid supplies in their cars and are instructed to start rendering aid as soon as it's clear there's no threat.
The Facebook footage shows Castile lying motionless in the car for several minutes, his shirt covered in blood, while Reynolds speaks calmly to the camera.
"That's time to start mitigating the damage," Moulder said.
The video posted Wednesday night on Facebook Live shows the woman in a car next to a bloodied man slumped in a seat. A clearly distraught person who appears to be a police officer stands at the car's window, telling the woman to keep her hands where they are and intermittently swearing.
Castile was driving the car, with Reynolds riding beside him. But because of the way the video was recorded or the way Facebook posted it, some versions of the footage were reversed, making it appear that Castile was in the right seat and his girlfriend seated on the left.
Facebook Live is a form of internet broadcasting that can be initiated in seconds from the Facebook app. In a few taps, users can send live video straight from their smartphones to friends or to a wider audience.
On the video, the officer tells her to keep her hands up and says: "I told him not to reach for it. I told him to get his hand out."
"You shot four bullets into him, sir. He was just getting his license and registration, sir," the woman responds.
The video goes on to show the woman exiting the car and being handcuffed. A young girl can be seen and is heard saying at one point, "I'm scared, Mommy."
The woman describes being put in the back seat of the police car and says, "The police just shot my boyfriend for no apparent reason."
A handgun was recovered from the scene, police said.
Because of its small size, Falcon Heights is served primarily by the nearby St. Anthony Police Department. Interim Police Chief Jon Mangseth said he was aware of the Facebook video but did not comment on it.
Minnesota Public Safety Commissioner Ramona Dohman promised an "expedient" investigation but would not discuss the traffic stop, any video footage or whether Castile was legally carrying a firearm.
Minnesota court records online show Castile had some misdemeanour violations, mainly related to driving.
Castile had worked for the St. Paul school district since he was 19. A principal described him as "a warm person and a gentle spirit" who loved his job and never missed work.
Katherine Holmquist-Burks hired Castile three years ago to supervise the cafeteria at J.J. Hill Montessori, a St. Paul magnet school with 530 students and 85 staff members.
"He stood out because he was happy, friendly and related to people well," she said.
After learning of his death, she went to the governor's mansion, in the same neighbourhood as the school, to take part in a vigil.
"I want his name respected," she said.
Associated Press writers Gretchen Ehlke in Milwaukee, Carla K. Johnson and Sarah Rankin in Chicago, Robin McDowell and Steve Karnowski in St. Paul, Sadie Gurman and Nomaan Merchant in Minneapolis and researcher Rhonda Shafner in New York contributed to this report.
