The Russian Ink

How do you trigger an international incident?
Kill an important asset and blame it on the mafia.
Who can solve the St Petersburg assignment?
NSA contractor Jake Armitage.
Explosive evidence that could bring down the US president.
No clues except a mysterious prison ink.
The new Russian death cult formed from the darkest Gulag.
A journalist who may have answers.
Powerful political enemies arise.
The former black-ops contractor with a death wish.
International security and peace at stake.
Can Jake discover the truth before it’s too late?