Sammy's posture stiffened as she sat on the recliner. How did Nelly know about the 'L'?

"Wh - what do you mean?" Sammy asked in a shaky voice, reaching up a hand to lightly clasp her throat. She felt like her tongue was choking her.

Nelly smiled at her friend and stood up before skipping to the room Sammy knew belonged to Leo.

She must have looked in there when they were looking for the source of the ringing. Sammy prayed her friend hadn't discovered a ...