F.2d 1207, 1216 (7th Cir. 1980). In United States v. Cortina, a magistrate issued a search warrant based upon an affidavit subscribed by FBI Agent Linda Stewart, which itself was based on the reports and investigation of FBI Agent William Id. at 1208. Unbeknownst to Agent Stewart, Agent Second Circuit in

F.2d 1207, 1216 (7th Cir. 1980). In United States v. Cortina, a magistrate issued a search warrant based upon an affidavit subscribed by FBI Agent Linda Stewart, which itself was based on the reports and investigation of FBI Agent William Brown. Id. at 1208. Unbeknownst to Agent Stewart, Agent Brown's Secon