Caroline Ellison met Sam Bankman-Fried trading at Jane Street. The two would go on to have a close professional and personal relationship as his crypto empire grew and then eventually imploded. Now, she has pleaded guilty and is testifying against him. Producer Rachel Humphreys and WSJ’s Caitlin Ostroff discuss her testimony and how the government is using it to build their case against Bankman-Fried.  Further Reading: - What’s Happening Today at the Sam Bankman-Fried Trial  Further Listening: - The Trial of Crypto’s Golden Boy  Learn more about your ad choices. Visit megaphone.fm/adchoices