Briefly, Derek wonders about the idea of multiple cell phones stashed around the city. He questions whether or not they'd all need to be different numbers, and he'd have to send a collect message to every Malia in his contact list just to find her. If he could find her.

This is close to hopeless. Derek resists sighing.

"There's gotta be some places that you visit more often. We should start with that."

Maybe he should just get a set of cups with string.