In rental units #201 and #504 there are large vent covers as seen in the photo below. Also, I'm not sure if people are aware of what the inside of a dryer looks like. I am because a man came out to repair my dryer once. The front panel of a dryer comes completely off and around and under the barrel that rotates, there is plenty of space for a small child.
Of course, we can't know if the large vent covers are representative of unit #602... but #201 and #504 (2 different buildings) both have them. It's my guess that #602 and all the other units have those vents, as well.
So, under and inside the dryer shell is a place that CT could have used... and a possibility (vent cover) that could have been used as a hiding spot. I've only seen inside tne washing machine shell... but, inside the one I saw, there would have been enough room to hide a small child, as well. Anyone can go to Youtube and quickly learn how to disassemble these appliances in order to repair. I don't believe LE would have searched in these places unless they had just cause to do so... and, in which case, I believe they would have revisited and apartment as a "surprise" and arrived with a warrant in hand.
ETA: (forgot to attach photos... will do so now)
Okay... missing is one vent photo and a washer and dryer photo that both come with message, "The uploaded file does not have an allowed extension."
So, just picture another vent photo that's exactly like the one you can see and a photo of a washer and dryer in a closet space. Or... you can go to the addresses above in my comment using the internet and see them for yourself.