In recent weeks, President Donald Trump's fervor for immigration enforcement has been extremely visible.

Immigration and customs enforcement agents have surged into cities across the country, Minneapolis and otherwise, seeking people to detain and deport.

But what happens after people are detained?

It can be hard to know.

Family members of those arrested are sometimes left scrambling

to find out where their loved ones have been taken and what will happen to them next.

Investigative reporter Doug McMillan has been trying to look inside of that black box.

And today, he's going to tell a story of what happened to one man after he was scooped up by ice

and taken to the largest detention camp in the country.

Just to note, today's episode contains some discussion of violence, including suicide.

All right. Doug, we'll take it from here.

Breached the office of the medical examiner for the county of El Paso, Texas.

For Spanish, oprimed, no, 9.

If you are calling a reported death, please hang up and dial the...

Earlier this month, a young woman in Rochester, New York,

made a phone call to the office of the medical examiner in El Paso, Texas.

The information she hoped to get was important to her, so she recorded the call.

For the chief investigator, please press three.

She had recently received very upsetting news. Her father had died at a detention camp for immigrants,

and she had a lot of questions.

U.S. immigration and customs enforcement didn't initially provide any details about how 55-year-old

Geraldo Lunas Campos had died. They said only that staff observed him in distress.

...