With Sam Woolley, Mariana Olaizola Rosenblat and Inga K. Trauthig are authors of a new report from the NYU Stern Center for Business and Human Rights and the Propaganda Research Lab at the Center for Media Engagement at the University of Texas at Austin titled "Covert Campaigns: Safeguarding Encrypted Messaging Platforms from Voter Manipulation." Justin Hendrix caught up with them to learn more about how political propagandists are exploiting the features of encrypted messaging platforms to manipulate voters, and what can be done about it without breaking the promise of encryption for all users.