"Of course," Mikami said immediately, "I'm sorry if you had to wait." His mind was still preoccupied, caught between watching Light and looking away as they entered. It was becoming a mild concern to him that Light was younger... from a time when Mikami hadn't been contacted at all beyond those deaths of the people he mentally judged. If Kira hadn't contacted him for the five years between the time he had and when he began to publicly work, what would he think about practically being forced to converse with him?

He also hadn't forgotten the possibility of being overheard. Undoubtedly the doors were strong enough to contain patients who wanted out, but their ability to contain voices was unknown. However... if he remained quiet, and let Light take the lead, certainly they would be okay.

For now, an explanation. "I met with Mello by accident," he admitted, seating himself on a bed. "Considering his death the day before I arrived here, I was not expecting that." A pause as he looked up toward the dark ceiling. "I wasn't sure if you knew of his presence or not. As well as any other specifics...?"