Ukrainian oligarch Firtash linked to Giuliani pals' gas deals and Biden dirt digging
By Tom Winter, Dan De Luce & Ken Dilanian
Former Rep. Pete Sessions subpoenaed by grand jury investigating Giuliani and associates
By Devlin Barrett & Matt Zapotosky
David Correia, Who Was Indicted With Giuliani Associates, Is Arrested (Published 2019)
By William K. Rashbaum & Michael Gold
Federal Prosecutors Scrutinize Rudy Giuliani's Ukraine Business Dealings, Finances
By Aruna Viswanatha, Rebecca Ballhaus & Rebecca Davis O'Brien
Exclusive: Trump lawyer Giuliani was paid $500000 to consult on indicted associate's firm
By Karen Freifeld & Aram Roston
Giuliani Ukraine associate had checkered past even before indictment
By Darren Samuelsohn