U.K.-based hacker Marcus Hutchins has been hailed in the hacking community for inadvertently undermining the massive Wannacry malware. But on his way out of Nevada where two hacker gatherings were taking place, he was arrested for allegedly creating a banking malware called Kronos. Motherboard journalist Joseph Cox joined us to explain the details of the arrest and what the malware actually did. Afterwards, we'll play this week's Silicon Tally with Lauren Goode, co-host of the podcast Too Embarrassed to Ask and a senior editor at The Verge.