|  | 
Novartis and AT&T Spoke to Mueller’s Office About Payments to Michael Cohen  New York TimesA Year After Comey’s Firing, Scope Of Mueller Probe Expands to Lawyer’s Shell Company  HuffPostAT&T cooperated with Mueller investigation into Michael Cohen  CNETViktor Vekselberg, Russian Billionaire, Was Questioned by Mueller’s Investigators  New York TimesThe Michael Cohen Revelations Are a Crash Course in Shady Corporate Entities  The New YorkerFull coverage |