Some scientists are confident that organs from genetically modified pigs will one day be routinely transplanted into humans. But substantial ethical questions remain.

Elizabeth Fusco’s relatives had their usual family dinner in New Jersey in early 2020. Soon, her mother, three siblings and aunt were all dead.

Prosecutors say the men helped direct a murder-for-hire scheme aimed at Masih Alinejad. The trial is expected to show Iran’s efforts to punish those who criticize it, no matter where they are.