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Paper Trail

ProPublica's investigative podcast; each episode follows one investigation and lays out the receipts: when 3M knew PFAS was in blood, how a 25-cent drug became a hundred-billion business

Deep reads here4 / 15 episodes
Cadence~1 every 14.0 days
Latest2026-10-15
TopicsIdeas
PriorityT2
44:28
Paper Trail 0910

MLB Built Baseball Castles in the Dominican Republic, and Also Grew the Lenders

MLB spends as much as $400 million a year in the Dominican Republic, but there is no draft and teams may sign players privately before they turn 16 — spawning a shadow industry of high-interest loans to players' families, with David Ortiz alleged to be part of it.

9 Points 7 Quotes Sports industryInvestigative reporting
44:24
Paper Trail 0903

3M Knew for Decades, and Let a Scientist Believe She Was Wrong

3M knew in the 1970s that PFOS had entered ordinary people's blood, yet let the young scientist who discovered it be questioned into giving up. The secret wasn't kept by destroying documents — it was kept by making the people who knew stay quiet.

8 Points 8 Quotes Investigative ReportingPFAS
41:40
Paper Trail 0820

The Chicago Raid: The Government Said It Caught Terrorists; In Court It Never Said It Once

A counterterror-style raid with Black Hawk helicopters, BORTAC and the FBI ended with zero criminal charges, and the word Tren de Aragua never appears in the arrest records.

9 Points 8 Quotes Immigration enforcementInvestigative reporting
45:45
Paper Trail 0806

The Church Used "Forgive and Forget" to Handle Sexual Abuse, and Victims Were Told to Stay Quiet

A closed Minnesota sect wrote "forgive and forget" into its official guidance, letting sexual abuse be absorbed internally and kept out of the justice system. A prosecutor handed the case to a reporter, and only then did a systemic cover-up spanning three generations come to light.

9 Points 7 Quotes Investigative reportingReligious institutions