Pick of the weekExplosive Lies Alice Levine narrates this scam story in customary wry fashion. We meet Steve, an ex-copper who helps his childhood best pal sell his cutting-edge bomb detector, only to end up with detectives arresting him. It’s a slickly produced tale of a con that fooled governments and militaries, with action flitting from questionable Hong Kong banks to the Iraqi airports in which it’s installed as a security measure – with potentially lethal consequences. Alexi Duggins Widely available, episodes weekly Mercy Joanna Scanlan stars in this monologue-based, one-off drama, written by Guardian film critic Peter Bradshaw. She’s all charm and warmth as a nurse who’s forced to take early retirement, and opens up on everything from her views on patients’ sex appeal to why people should never stop smoking. A compelling listen. ADAudible Ransom Man Private … Jenny Kleeman hots Ransom Man. Photograph: Nina Raingold What if your most private thoughts ended up on the dark web? Radio 4’s Intrigue strand returns with this propulsive tale of a Finnish mental health platform …