The former CEO of now-bankrupt crypto firm FTX, Sam Bankman-Fried has been charged with fraud and conspiracy. His trial is supposed to begin in October. In the final episode of On Background, Michael Lewis speaks to former prosecutor Rebecca Mermelstein, now a defense attorney with O’Melveny and Myers, about how prosecutors are building the case against Bankman-Fried, and how his defense team can prepare him.

For our coverage of Sam Bankman-Fried’s trial, check back here soon!