An undocumented immigrant was shot and killed Wednesday by a US Customs and Border Protection officer in Rio Bravo, Texas, according to a CBP news release.
A Border Patrol agent responded to a report of illegal activity near a culvert and discovered a group of undocumented immigrants, the agency said.
The agent tried to apprehend the group but he came under attack by multiple people using blunt objects. The agent fired at least one round, fatally wounding one person, CBP said.
The names of the agent and the dead person have not been released, but a bystander video posted on Facebook said the latter was a woman.
In the video, a woman yells at an officer: "Why are you mistreating them? Why are you mistreating them? Why did you (shoot) at the girl? You killed her. He killed the girl. She's laying there and she's dead."
The video also showed an officer leading away some men. The CBP said responding agents apprehended three undocumented immigrants.
The FBI and Texas Rangers are investigating.
Rio Bravo is on the border with Mexico, about 170 miles south of San Antonio.
Immigrants' clashes with Border Patrol
Wednesday's incident comes as lawmakers continue to say that Border Patrol agents face rising dangers on the job and more than a month after President Donald Trump ordered the deployment of National Guard troops to secure the United States-Mexico border.
But as CNN reported, Border Patrol agents lead far safer work lives on average than most other law enforcement officers. Data shows that assaults against the approximately 19,500 agents of the Border Patrol have been dropping, not rising.
After surging sharply in fiscal year 2017, according to Customs and Border Protection figures, assaults against agents have fallen 32% through the end of March compared to last year.
Border agents have reported being assaulted at less than half the rate of other law enforcement officers.
In fiscal 2016, the most recent year for which figures are available, the nearly 600,000 law enforcement officers whose agencies reported assaults and deaths to the FBI suffered one assault per 10 officers, compared to one assault for every 44 Border Patrol agents.
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