For several seconds, I stared at Detective Miller without understanding what he had just told me. The bottle recovered from the park carried Lily’s name, yet her pediatrician had confirmed that he had never prescribed that medication to her.

“Then who wrote the prescription?” I asked.

“We’re tracing it now,” Detective Miller said. “But until we understand why Amber had medication labeled for Lily, we need to consider the possibility that Caleb was not the first child exposed to it.”