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Earlier this week the FBI, in conjunction with the Australian authorities, used an encrypted messaging app to swoop in and arrest more than 800 suspected criminals. On Business Weekly, we look at how they were able to crack global organised crime groups by running their own messaging service, putting it on bespoke phones and handing them out, through undercover officers, to the criminals themselves. We also look at the booming business of ransomware. Hackers are making millions from demanding Bitcoin payments from companies - so how can this new kind of cyberwarfare be stopped? Plus, Turkey says it will no longer accept waste plastic from other countries. So, where will our plastic end up? Business Weekly is produced by Matthew Davies and presented by Lucy Burton.

Why do some of the super rich describe themselves as frugal? Is it something about the inner psyche that makes us natural savers or spenders? Elizabeth Hotson speaks to Dolly Parton, who despite earning millions, doesn’t particularly enjoy spending it. We also hear from Karam Hinduja, banker and scion of the billionaire Hinduja family. Tech entrepreneur, Richard Skellett tells us why he sees being wealthy as a responsibility, plus we hear from big savers, Tim Connor and Francesca Armstrong. We're also joined by Sarah Fallaw, author of The Next Millionaire Next Door, Rachel Sherman, author of Uneasy Street: The Anxieties of Affluence and Elin Helander, behavioural economist, neurologist and Chief Scientific Officer at Dreams, a money-saving app. Producers: Elizabeth Hotson and Sarah Treanor. (This episode is a repeat from 10 Aug 2020)(Picture: piggy bank via Getty Images).

Ibrahim Diallo got his first computer when he was five, which triggered a lifelong passion for programming. He has worked as a software engineer in the US for 12 years. A Guinean citizen, who went to French school in Saudi Arabia, and now lives in California, Ibrahim says he can count on one hand the number of black people he has worked alongside. He shares his experience of being a black programmer in the US with Vivienne Nunis. (Photo: Ibrahim Diallo at his office in LA. Credit: BBC)

Hackers are making millions from ransomware attacks. What can be done to stop them? Ed Butler speaks to professional ransomware negotiator Kurtis Minder, about the increasing professionalisation of the ransomware business. Kimberly Grauer, head of research at Chainalysis explains why following the bitcoin trail may be the best way of bringing ransomware gangs to justice and Vishaal Hariprasad, boss of cyber insurance company Resilience, tells us why the ransomware threat means there needs to be a stepchange in how companies view cyber security.(Photo: Illustration of ransomware attack, Credit: Getty Images)

The Nobel prize-winning economist and professor of psychology Daniel Kahneman focuses his latest research on the high cost of inconsistent decision making. In Noise, co-authored with Oliver Sibony and Cass R Sunstein, he looks at why humans can be so unreliable, and what can be done about it. He tells Andrew Marr that people working in the same job often make wildly different judgements, influenced by factors like their current mood, when they last ate, even the weather. He argues that ‘noise’ is distinct from bias and has been neglected by organisations and businesses.Gillian Tett is editor-at-large for the Financial Times and is also focused on transforming the world of business. But whereas Kahneman uses the methods of psychology, Tett argues for anthropology. For over a century anthropologists have immersed themselves in unfamiliar cultures, studying the hidden rituals at play. In her book Anthro-Vision, Tett uses similar techniques to reveal the underlying structures and human behaviour in our modern world – from Amazon warehouses to Silicon Valley to City trading floors.Ann Cairns is the executive vice chair of Mastercard, which has hundreds of offices worldwide. She explores how psychology and anthropology can help to manage the company’s fortunes and employees through times of flux and change. Cairns started out as a research scientist before developing an interest in offshore engineering, becoming the first woman qualified to work offshore in Britain. She moved into banking in the late 1980s and joined Mastercard in 2011.This programme is excerpted from Radio 4's Start The Week with Andrew Marr: https://www.bbc.co.uk/programmes/m000w4nb(Picture credit: Shannon Fagan via Getty Creative)

The Chinese government is pleading for young people to have more babies. On Business Weekly we ask whether this new “three-child” policy will help reverse the ageing population. You can’t send babies out to work, so does the nation face a demographic time bomb? Plus, the growing industry of forensic genealogy is cracking decades old murder cases. Our reporter asks how much privacy do we have to surrender - and is it worth it? And as the US marks 100 years since the Tulsa Race Massacre, we head to a more recent place of protest and trauma: Minneapolis. The president of the Federal Reserve of Minneapolis tells us he wants to do more to fight racism and inequality, but a black businesswoman from the city says she’s not seen many signs of equality. And is the boozy power lunch back? Business Weekly is produced by Matthew Davies and presented by Lucy Burton.

Mei Xu is a Chinese American entrepreneur who made it big in the US by setting up a global candle business. She grew up in Chairman Mao's communist China, but was educated at an elite school, where she learnt English with the aim of becoming a diplomat. That was until the pro-democracy, student protests of Tiananmen Square in 1989. After that she managed to get a passport out of China and went to the USA, where she set up her multi-million dollar business. What does her story tell us about the state of the American economy and the growth of China as an economic superpower?

The World Bank has declared Lebanon's to be "enduring a severe and prolonged economic depression" and said it is one of the worst economic crises since the mid-19th century. As fuel and food supplies dry up, and cash reserves dwindle, Lebanese economic columnist and former bank executive Dan Azzi warns "Armageddon" could be just around the corner for the country. Meanwhile Diana Menhem, economist and managing director of advocacy group Kulluna Irada, explains how the country's economic got into such a state. And we'll also hear from Joumana Saddi Chaya, of the lighting design and manufacturing company PSLab and Aline Kamakian, owner of the restaurant Mayrig in Beirut, on trying to run different businesses amid the increasing chaos.Producer: Frey Lindsay(Picture: People queue with their cars to buy fuel in Beirut, Lebanon on June 01, 2021. Picture credit: Wassim Samih Seifeddine/Anadolu Agency via Getty Images)

The rise of electric vehicles could see traditional service stations closing across the planet over the next two decades, and replacing pumps with fast chargers is unlikely to save them. Justin Rowlatt speaks to one entrepreneur hoping to profit from the rollout of EV chargers in every home and parking space, Erik Fairbairn of Pod Point. Meanwhile Isabelle Haigh, head of national control at the UK's National Grid, explains why she is confident they can meet the electricity demand from all these new vehicles.Across the Atlantic, another entrepreneur - Sanjiv Patel of National Petroleum - says the writing is clearly on the wall for his chain of 25 gas stations in California - but maybe not for a while yet. But could he turn them into restaurants or use them to hold séances? That's the fate of one petrol station in Leeds that is now an arts centre. We hear from its owner, Jack Simpson.Producer: Laurence Knight(Picture: Abandoned gas station along old Route 66 in the California desert; Credit: Lynne Rostochil/Getty Images)

In the US - but increasingly in other countries too - cold case murder, sexual assaults, and unidentified person cases once thought unsolvable are being cracked thanks to the proliferation of public genetic databases. But with this success come deep worries for our DNA data. Ivana Davidovic talks to Brett Williams, the CEO of Verogen - the owner of GEDMatch consumer DNA database - about their business decision to cooperate with the police, privacy concerns and new opportunities opening up in countries like Mexico and Vietnam. We also hear from Tina Franke, whose daughter Christine Franke was murdered in Florida in 2001. She speaks of her relief at the unexpected progress in the investigation after almost two decades. Professor Andrew MacLeod tells us about his project - in conjunction with King's College London - to harness forensic genealogy to identify perpetrators of sexual violence in the aid industry. And law professor Natalie Ram explains the pioneering legislation being brought in the US state of Maryland designed to regulate the industry much more tightly.PHOTO: Forensic scientist collecting evidence/Getty Images