Nigel Whitcombe was an agent with MI5 and later with MI6.
Whitcombe assisted in a recruitment.
Whitcombe assisted in the recruitment of Zoe Reed.
Whitcombe was present to greet Nadia al-Bakari for the conference to determine whether she would or would not go to Dubai.
Whitcomb met Gabriel when he arrived in London and transported him to a meeting with Graham Seymour.
Whitcomb met Gabriel at a safehouse in London; they waited for Graham Seymour to arrive.