The former FBI director will no longer appear in court on Monday in Greenville and now has a scheduled date in June in New Bern.
Over 40 search warrants have been issued, NC authorities say, focusing on a married couple who allegedly knew Biffle and his wife Cristina.
A grand jury has indicted former FBI Director James Comey over a controversial Instagram post from last year that President Trump claimed was a threat against him.
A former North Carolina police officer has been accused of threatening a mass shooting in New Orleans.
Gannon Ken Van Dyke appeared shackled at his hands and feet as federal prosecutors outlined the charges and maximum penalties he faces.