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    Peru president's home raided in luxury watch investigation

    02:39
  • Investigation: Mexican drug cartel targets Native American reservations with fentanyl, officials say

    03:30
  • Slaughterhouse children: Child labor exposed in America’s food industry

    16:06
  • Greg Bluestein: Trump's statement that he was exonerated in election probe is a flat-out lie

    06:06
  • Health Advocate Shares Her Undercover Experience at Crisis Pregnancy Center

    07:11
  • Legal Analysts Discuss Special Counsel Appointment for Trump Investigation

    10:11
  • Uber drivers fear they might be unwitting drug mules

    04:34
  • Online renting scams surging across U.S., FBI warns

    02:31
  • Amazon rainforest severely impacted by gold mining

    04:30
  • Former President Trump found in contempt of court over subpoenaed documents

    02:50
  • Dual citizen charged for allegedly acting as Russian agent in U.S.

    03:27
  • ​New Jersey nursing home at center of shocking allegations reopened under new name

    04:00
  • Activists, survivors fight against child marriage in U.S.

    05:04
  • Early victims of ‘Havana Syndrome’ speak out about ongoing health struggles-

    04:26
  • Inside the fight to change the family court system after custody dispute tragedies

    03:32
  • Washington doctor removed from child abuse diagnosis role after credibility questions

    05:11
  • How people go from political activists to radicalized extremists

    04:04
  • Investigation reveals appalling conditions at for-profit Alabama youth home

    05:14
  • Power of play: 'Sesame Street' introduces Rohingya muppets to help ease child refugees’ trauma

    06:18
  • Millions receive medication by mail with little regulation for mail-order pharmacies

    04:14

Environmental emergency: What caused the Arctic oil spill?

08:10

In what environmentalists believe to be the biggest oil spill in the Arctic Circle, 20,000 tonnes of diesel flowed across the Siberian landscape. NBC News Forensics investigates the cause of the Norilsk disaster, why it took so long to respond and how far the pollution spread.