Delaware Assistant US Attorney Lesley Wolf is accused of obstructing the FBI from investigating Joe Biden during the probe into his son Hunter's tax crimes

DailyMail.com can reveal Wolf worked closely with Alexander Mackler, who served as then-VP Joe's White House Deputy Counsel from 2014 to 2016

Emails from Hunter's laptop show the close relationship between the Bidens and Mackler, with the lawyer sending the First Son loving messages 

A prosecutor on the Hunter Biden criminal probe worked closely with Joe Biden's former White House lawyer – then allegedly 'obstructed' FBI agents from investigating the President's involvement.

Delaware Assistant US Attorney Lesley Wolf was accused by whistleblower IRS agents of shutting down any investigation of Joe Biden during the five-year probe into his son's tax crimes, despite evidence linking the President.

DailyMail.com can now reveal Wolf, one of the lead prosecutors in the Hunter probe, worked closely with Alexander Mackler, who served as then-Vice President Joe's White House Deputy Counsel from 2014 to 2016. 

Mackler was also campaign manager for Joe's late son Beau in his successful 2010 run for Delaware Attorney General, and was close with Hunter himself, writing in one 2018 email to the First Son: 'Love you brother'.