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I'm Helena Merriman and in a new BBC series I'm talking to the reporters who first covered this story.
What did they miss the first time?
The History Bureau, Putin and the apartment bombs.
Listen on BBC.com or wherever you get your podcasts.
Hello and welcome to NewsHour.
It's coming to you live from the BBC World Service Studios in central London.
I'm Tim Franks.
In a moment we'll be heading to Minnesota as President Trump's new head of its immigration enforcement operation there arrives in Minneapolis.
Also on the program we'll be hearing about a big tech trial in Los Angeles with the social media companies facing potential peril.
And we'll hear more testimony from Iran on the aftermath of the government crackdown on protests this month.
It's mid-morning in Bahest al-Zahra, the larger cemetery in Tehran.
Every time they brought a coffin out, people started cheering and clapping.
Most bodies brought for burial were people under 30 and 40 years old.
That day they must have delivered 30 bodies that morning.
And they also brought bodies of a newlywed couple.
More on that in the second half of our program.
We're beginning, though, in Minneapolis where it's still ferociously cold,
but there's a sense that perhaps in spirit some ground may be unfreezing,
that there have been face-to-face talks between one of the Trump administration's top immigration officials and the top Democratic politicians in the state,