I've loaded this particular gun with scrap iron," she said. "Now, I don't know if a shot to the head will kill you or not. But just consider how much… - Ben Aaronovitch

There's more to life than just London," said Nightingale.
"People keep saying that," I said. "But I've never actually seen any proof.

“Of course now I realize it was a telepathic compulsion.”
I was afraid to ask from who—but I had to know.
“From aliens,” she told me.
“Aliens?”
“I’m not mad, you know,” she said. “I’ve been sectioned. They put me in for four weeks’ ‘evaluation’ and at the end the top shrink calls me into her office and looks me in the eye and says, ‘you’re saner than I am—go away.’”
“Did you tell them about the aliens?” I asked.
“I may have glossed over some of the details,” she said.

All diplomatic cars have distinctive plates that indicate status and nationality, for the ease and convenience of terrorists and potential kidnappers.