A keen golfer, 65-year-old Tappin was enjoying his retirement and role as president of the Kent County Golf Union, which represents the county's 95 clubs.
His passion for golf is something he shares with son Neil, who is deputy editor of Golf Monthly magazine.
But a US sting operation that led to Tappin being accused of selling batteries for surface-to-air missiles to Iran shattered the Tappin family's apparently idyllic lives.
After a two-year legal battle, the retired businessman was extradited to Texas to stand trial.
The grandfather is said to have kept himself sane by practising golf, using his walking stick as a club and rolled-up tissues as a ball.
Tappin was given a reprieve from the windowless walls when he was released on bail in April.
More top news
A woman who attempted to get her idol's full pout was left with hugely swollen lips when her plan went horribly wrong.
All would-be MPs should be forced to tell voters what paid jobs they have and whether they would keep them if elected, Lord Bew has said.
A Para who won the Victoria Cross gave up his military history studies just weeks into the course as he wanted to be a part of it instead.