Sir Frederic is in the offices, on the floor below.

Sir Frederic dropped a small lump of sugar into his coffee.

"Sir Frederic went down to the offices some ten minutes ago."

Sir Frederic was still working on one, or maybe both, of those cases.

"You had never heard of Sir Frederic before he came here?"

"And why did Sir Frederic think you could identify this woman?"

"What did Sir Frederic want to speak to you about?"

After all, the question remains - who killed Sir Frederic?

Sir Frederic was the kind of man who knows what he's talking about.

He has not come to this country in answer to a cable from Sir Frederic.