Crimson Credit (Retired Soldiers Club Book 1)

Michael Brugman rushes to London to support his twin brother after the murder of his wife. Michael soon finds himself drawn into the murder investigation as he questions the motive of the murder. His own investigation soon pulls him into the dark world of identity theft and terror financing. Soon he and his friends find themselves in a desperate race to stop the detonation of a biochemical weapon.
In a foreign country with no official standing he has to rely on his friends to help him prevent a tragedy.