Mariana explores the growing influence of Mexican cartels in the U.S.
Mariana van Zeller investigates sextortion, a blackmail scam using compromising photos to extort victims. She heads to the Philippines to find the scammer who shamed an American victim into suicide.
The sale of human remains generates billions of dollars worldwide each year, but remains largely hidden from public view and abuse abounds. Anyone can become a victim of the remains trade.
Mariana investigates the black-market trade in trafficked brides destined for China.
Mariana investigates the explosive world of heists.
Mariana investigates the growing influence of heavily armed militias.
Mariana investigates the dark underworld of fraudulent addiction treatment programs.
Mariana investigates the global surge in anti-LGBTQ+ violence.
Mariana investigates the deadly world of illegal street racing.
Mariana investigates the underground market for shark fins.