A law enforcement source with knowledge of the operation said Thursday that U.S. Customs and Border Protection agents are leaving Charlotte. Agents have been in the city conducting sweeps since Saturday,

Charlotte, N.C., officials said U.S. Customs and Border Protection agents have left the city, but the Department of Homeland Security says otherwise.

Border Patrol agents arrested more than 250 people in Charlotte this week and may begin operations in New Orleans after Thanksgiving.

The U.S. Border Patrol is monitoring millions of American drivers nationwide in a secretive program to identify and detain people whose travel patterns it deems suspicious, The Associated Press has found.

Since Customs and Border Protection arrived in Charlotte Saturday, many immigrant families have been afraid to leave their homes. Some Hispanic businesses have gotten creative about staying open.

U.S. Border Patrol agents have left Charlotte after a five-day operation, leaving behind a swirl of legal questions. In an interview with WFAE, the ACLU of North Carolina says agents repeatedly violated residents' constitutional protections and even broke the state’s new face-mask ban.

The government had accused Marimar Martinez, 30, and Anthony Ruiz, 21, of assaulting a federal officer during an Oct. 4 incident in Chicago.

Prosecutors had accused Marimar Martinez and another defendant of ramming their cars into a federal vehicle in October. Her legal team argued it was federal agents who rammed her.

U.S. Customs and Border Protection officers seized an estimated $2.6 million of alleged methamphetamine hidden inside of a tractor trailer hauling batteries.