Black Box: The Chatbots

People are becoming convinced AI chatbots have helped them make scientific breakthroughs, cure diseases or invent new technologies. What does this reveal about a technology used by more than a billion people? A new series from The Guardian Investigates, coming soon

Of all the hearings Alex Villa had been through in nearly 11 years, Jennifer knew this could be the one. In her possession was the disc with the FBI cellphone map – evidence that prosecutors had never turned over. But in a system that had fought Alex at every turn, would it finally be enough to set him free? This is the final episode of Off Duty, an investigation by the Guardian’s Melissa Segura

Alex was in prison for life, and Jennifer and Eric discovered they’d become captives to the case, too – the ‘termites’ digging in at every level of their lives. For the first time, they thought about giving up. But then they got their hands on a disc they’d never seen before. This is episode six of Off Duty, an investigation by the Guardian’s Melissa Segura

Raul Palma, the video game repair specialist who found the evidence that could break open Alex’s case, had gone missing. Again. As Jennifer and Eric worry that Raul has been spooked, they must face the prosecutors in a ‘bone-crushing’ courtroom battle for Alex’s life. This is episode five of Off Duty, an investigation by the Guardian’s Melissa Segura

Since the day he was arrested, Tyrone Clay had been asking police to look at his PlayStation. He said he had been playing NBA 2K11 on the night of the murder. For years, the console sat in an evidence room gathering dust while the FBI claimed it was broken beyond repair. That’s until the attorney Eric Bisby came along. This is episode four of Off Duty, an investigation by the Guardian’s Melissa Segura