Delaware ‘laptop from hell’ repairman John Paul Mac Isaac deposed by Hunter Biden lawyers for 7 hours

Hunter Biden’s legal team has deposed John Paul Mac Isaac, the former Delaware computer repair shop owner who came into possession of the disgraced first son’s “laptop from hell,” The Post has learned.

Mac Isaac, who owned The Mac Shop in Wilmington, was interviewed for approximately seven hours Wednesday by Hunter attorney Abbe Lowell as part of a countersuit filed against Mac Isaac by the first son’s legal team. 

Mac Isaac had sued Biden, CNN and others for defamation last year, seeking $1.5 million in damages from the president’s son. 

Mac Isaac’s suit alleges that Hunter Biden left the store owner to twist in the wind for years while repeatedly and falsely insisting that the laptop either was not his, that it had been stolen or that his information had been hacked.

Lowell, a well-known Washington attorney with ties to prominent Democrats, was hired by Hunter Biden in December and tasked with coordinating the 52-year-old’s defense against congressional probes. 

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Unlike Biden’s previous legal representation, Lowell has taken aggressive action in defense of the first son. 

Aside from counter-suing Mac Isaac, Lowell has also demanded that criminal investigations be opened against the former repair shop owner for allegedly disseminating and “weaponizing”  the contents of the infamous laptop. 

Lowell also called for probes to be opened against former New York City Mayor Rudy Giuliani, former Trump White House strategist Steve Bannon, and others in letters sent this past February to the Delaware Office of the Attorney General, the Justice Department’s National Security Division and the IRS.

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In the letters, Lowell appeared to admit, for the first time, that the laptop abandoned by Hunter Biden in Mac Isaac’s shop did belong to the first son. 

In March, Lowell indicated that he intended to seek depositions against Giuliani, Bannon and others in the  laptop case.

Mac Isaac’s lawyer insists the repairman became the legal owner of the laptop after Biden dropped it off to be repaired in April 2019 — then failed to return to reclaim it despite attempts by Mac Isaac to contact him.

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Once the shop owner saw the laptop’s contents — including emails detailing influence-peddling involving then-Vice President Joe Biden and videos of the younger Biden smoking crack and having sex with prostitutes and his work subordinates — he alerted the FBI.

Before the feds picked up the laptop in December 2019, Mac Isaac made a copy of the hard drive. He gave it to Giuliani’s personal lawyer, Robert Costello, the following year.

Giuliani provided The Post with a copy of the hard drive in October 2020, leading to a serious of exclusive stories detailing the Biden family’s overseas business interests and the role the current president may have played in making money for his relatives.

A previous version of this story implied Mac Isaac turned over the laptop hard drive to Robert Costello in 2019. In fact, Mac Isaac did not contact Giuliani and Costello until Aug. 26, 2020.