After a family doctor well-known for performing abortions is gunned down in his suburban Buffalo home in 1998, all clues point to an anti-abortion extremist as the sniper. But he's nowhere to be found. Soon, the FBI turns to a rookie agent and a confidential informant in hopes they can ply a convicted clinic bomber and his wife for the intel that will bring this top 10 fugitive to justice. Former Assistant Special Agents in Charge Harold Brantley and Michael Osborn along with former unit chief Cynthia Deitle sit down with fellow agent Kristy Kottis about their work launching this international manhunt.