If he likes. That's still sort of a novelty. If he comes, too, he might be able to better ensure Ned's safety, or Dirk's own.

"I will gladly come," Daneel says. "I have some experience assisting in detective work. On several occassions I helped plainclothesman Elijah Baley investigate a murder."

Even if he's already been invited, he'll still offer up his qualifications.