Michael McCaul actually said...

We have worked together very closely on getting these UAVs, military, DHS, down on the border, Southwest Border where they are very needed a...

It is incumbent upon the Department of Homeland Security... to engage on this issue and come forward with some leadership and provide that s...

How can we possibly know what they are doing?

I think it should be limited to a specific instance or mission within a legitimate law enforcement purpose.