{
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    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
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  "dek": "Microbiologist Aili Wang, 32, poisoned tea of colleague in Wyoming who had pending patents, prosecutors allege A Wyoming microbiology graduate student from China has been arrested on accusations she poisoned the tea of a colleague who had pending patents and with whom she did not get along, then tried to flee the count",
  "desk": "politics",
  "event_id": "event-d340d94bdde0a2bd4fe47d2c",
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      "independence_group": "guardian-editorial",
      "item_id": "item-29d2885833e32fd6da7ae483",
      "published_at": "2026-10-14T00:53:36Z",
      "role": "media",
      "source_id": "guardian-china",
      "source_name": "The Guardian — China",
      "title": "Graduate student accused of poisoning colleague and trying to flee to China arrested at LAX",
      "url": "https://www.theguardian.com/us-news/2026/oct/13/wyoming-student-graduate-poison-arrest",
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  "evidence_strength": "single-source",
  "headline": "Graduate student accused of poisoning colleague and trying to flee to China arrested at LAX",
  "lead": false,
  "lead_reason": "Current single-source metadata is retained but not promoted as a lead.",
  "limitations": [
    "Palimpsest retained only feed title, canonical link, time, and a bounded plain-text excerpt; it did not fetch the article body.",
    "The evidence-strength label describes source structure, not truth, intent, impact, or causation.",
    "Declared instrument links are topical pointers until a separate scan or economic observation is joined by time and method.",
    "Title-similarity clustering can miss differently worded or cross-language accounts and can join closely worded updates.",
    "This dossier currently contains one independent evidence group and remains explicitly attributed."
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    "previous_version_id": "eventv-38ddb212089a0a87df32cdb4"
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  "published_at": "2026-10-14T00:53:36Z",
  "reported_facts": [
    {
      "attribution": "The Guardian — China",
      "evidence_item_id": "item-29d2885833e32fd6da7ae483",
      "published_at": "2026-10-14T00:53:36Z",
      "statement": "The Guardian — China published “Graduate student accused of poisoning colleague and trying to flee to China arrested at LAX”."
    }
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  "topics": [
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  "updated_at": "2026-10-14T00:53:36Z",
  "url": "https://palimpsest.info/news/wire/event-d340d94bdde0a2bd4fe47d2c/",
  "version_id": "eventv-38ddb212089a0a87df32cdb4"
}