Tonight at midnight, the Department of Homeland Security will begin to shut down except for essential operations.

Democrats here in Washington are refusing to fund the agency unless it changes how it conducts its immigration crackdown.

Part of the outcry has been the agency's treatment of U.S. citizens.

Arlisa Desjardin has more on that.

William, there was an uproar last month following the killings of Renee Good and Alex

Pretti by immigration officers.

But videos from across the country have shown months of other violent interactions,

including with U.S. citizens.

We reached out and heard from three of them.

My name is George Rediz.

I was born and raised here in Ventura, California. I was born and raised here in Ventura, California.

I'm 26 years old, and I am an Iraq combat veteran.

My name is Aliyah Rahman.

I was born in northern Wisconsin, grew up in Bangladesh.

I all live in Minneapolis. My name is Gina Christ,

and I live in St. Louis Park, Minnesota. I was going to work like normal. I show up. Ice is

there. There's kind of like a roadblock. I get out. I identify myself or that I'm a U.S. citizen that I'm just

trying to get to work. I came upon a traffic jam that I pretty quickly realized was ice. I was on my

way to work and I honestly thought, you know, I'm going to observe or, you know, I'm going to, you know,

try to help slow something down. I'm trying to leave. I'm going to, you know, try to help slow something down.

I'm trying to leave.

I'm getting ready to leave and they're around my car,

...