You see, the trouble with detectives is that they’re detectives and are literally trained not to believe anything they haven’t verified themselves. - Ben Aaronovitch

“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.

“Do you have another plan?” I asked.
“No,” said Leslie. “I just want you to be careful. Just because you think you know what you’re doing doesn’t mean you actually know what you’re doing.”
“I’m glad we clarified that,” I said.

Are there aliens?" Simon asks Indigo.
"Not that I know of," she says. "Unless you count cats.