Facebook reports on the coordinated inauthenticity it took down in April. Investigations into COVID-19’s origins continue, as does medical espionage. Contact tracing’s challenges. Joe Carrigan from JHU ISI on recent flaws in antivirus products, our guests are Laura Deimling and Courtney Wandeloski from Down To Staff on interviewing tips for employees and hiring managers. And European police take down the BlackInfinity credential traffickers.