FALFURRIAS – The U.S. Border Patrol Acting Chief made her first visit to the Rio Grande Valley.

Chief Carla Provost toured the Valley, which is one of the busiest sectors for Border Patrol. South Texas accounts for 40 percent of apprehensions along the border.

On Wednesday, she toured the areas of McAllen to Rio Grande City and visited the new Falfurrias checkpoint Thursday. She leaves the Valley Friday.

She says she learned a lot from her visit and saw the challenges agents face.

When asked what's being done to secure our borders, she said they are looking to the northern border as well.

"We are adding more manpower to the northern border as well, we have an operational mobility program where we're allowing our men and women to transfer and we've added more positions to the northern border. We are adding some technology to support our men and women as well," she says.

Chief Provost says the Valley is important to her at the moment. She says she's committed to working with RGV Sector Chief Manuel Padilla to help with resources in the area.

Watch the video above for more information.