According to Hidalgo County Jail records, a U.S. Border Patrol agent was arrested on Saturday by the Hidalgo Police Department.

Francisco Vallejo was arrested on charges of an accident involving death.

Hidalgo police said an investigation is underway and more details would be released on Tuesday.

In a Monday news release, a CBP spokesperson said “CBP’s Office of Professional Responsibility and the United States Border Patrol are fully cooperating with the investigation.”

This is a developing story, check back for updates.