Devin Nunes: The Man Behind the Explosive Memo

Back in February 2018, Congressman Devin Nunes created a firestorm with his four-page memo detailing how US intelligence agencies had spied on members of the Trump 2016 presidential campaign. Who is Devin Nunes? And how did a former farmer end up spearheading an investigation into what many consider one of the biggest scandals in American political history?