Sam Tufel’s sperm was being used repeatedly over the years? Was he donating widely to pocket a few more dollars? The Tufel half-siblings continue to look for answers, but for now, they live with the uncertainly. That’s the price of DNA sleuthing. The answers can come with more questions. Yet as Bresnick observes, “Even stories without an end have purpose.”

Source: A Bronx Tale: One Sperm Donor, 19 Siblings, and Six Decades of Secrets – Mother Jones