She would have rather been a little more discreet in public, but it's just an extra precaution. She's confident there's no one listening in. At least not the old fashion way.

"I mean after he died, yes. A ghost. Sylvia and I talked to him again last night." Here came the fun part. "He gave us some intel that might be a lead in the investigation. I'm here to help you out."

There. Maybe framing it as supporting his investigation rather than joining it, strictly speaking, would soften the blow.