How Frog Embryos Landed a Scientist in ICE Detention

青蛙胚胎如何让一名科学家陷入ICE拘留

The Journal.

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2025-04-23

22 分钟
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Earlier this year, Harvard scientist Kseniia Petrova landed at Boston Logan Airport with samples of frog embryos in her luggage. Those samples cost Petrova her visa and kickstarted an asylum claim that landed her in an ICE detention facility in Louisiana. WSJ’s Michelle Hackman explains that Petrova’s case represents an aggressive shift in the Trump administration’s stance towards immigrants with visas. Jessica Mendoza hosts. Further Listening: -Trump 2.0: Trade Wars and Deportation Battles   -A New Phase in Trump’s Immigration Fight  Sign up for WSJ’s free What’s News newsletter .  Learn more about your ad choices. Visit megaphone.fm/adchoices
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  • Hi. Yes, hello.

  • Ksenia, thank you so much for taking the time to chat with us again.

  • My name is Jess.

  • Appreciate you doing this.

  • It sounds like it's pretty crazy over there.

  • How are you?

  • Yeah, hello.

  • Hello, hello.

  • I'm fine.

  • I mean, as much as I can.

  • That's Ksenia Petrova.

  • She's a scientist at Harvard Medical School,

  • studying how cells in the human body rejuvenate themselves.

  • But right now, Ksenia is trapped.

  • Instead of calling from her lab in Massachusetts,

  • she's calling from an immigration detention center in Louisiana.

  • You said you're in your dorm?

  • I spoke with Ksenia over a video call.

  • She was in a big room made of metal and concrete, filled with rows of bunk beds.

  • Behind Ksenia, I could just make out dozens of people milling around,