The nonprofit organization Team Brownsville has been helping migrants known as 'internal arrivals' since 2018.

Sergio Cordova is the co-founder and a board member of Team Brownsville. He said migrants say they are seeking asylum after they turn themselves into U.S. Border Patrol.

"After they're processed, they're dropped off at the bus station," Cordova said. 

On average, 150 migrants arrive daily and more than half are children. 

Cordova said families typically make the dangerous journey to the U.S. out of desperation, often arriving in the county with only the clothes they are wearing.

"There's a lot of babies coming in," Cordova said. "So we're providing basic essentials to help the families."

The nonprofit also provided detainees from the Port Isabel and El Valle ICE detention centers with toiletries for their next journey.

"Those are the people that have been in detention for sometimes weeks [or] months," Cordova said. "Sometimes up to a year.

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