The look Marinette shot him was slightly incredulous. Then again, he did have amnesia; she had to make some allowances for being oblivious here...

Her brows furrowed at his question.

"...you were in the hospital for maybe a day. The police did talk to your father and me..." She hated to say it, but... "A reporter probably caught wind of it somehow. People are interested in your family, you know?"

As for how Chloé had managed to get in -

"She probably just walked up to the gate and didn't take no for an answer, though."