Aggregated News

Luis Picado’s mother remembers the day her son thought he had won the lottery. He came home to their tin-roofed cinder-block house in a Managua, Nicaragua, slum and said he’d found a way to escape poverty and start a new life in the United States.

An American man had promised to give Picado, a 23-year-old high school dropout who worked as a construction laborer, a job and an apartment in New York if he’d donate one of his kidneys. He jumped at the deal, his mother says.

Three weeks later, in May 2009, Picado came out of surgery at Managua’s Military Hospital, bleeding internally from the artery doctors had severed to remove his kidney, according to medical records. His mother, Elizabeth Tercero, got on her knees next to her son’s bed in the recovery room and prayed, Bloomberg Markets magazine reports in its June issue.

“I told my boy not to worry, that I would take care of him,” Tercero, 49, says. “But it was too late.” Picado bled to death as doctors tried to save him, according to a...