on top of the window sill wich was slightly open but it was a big drop down to the ground and no way he could get down there so he must of went outside for the day to get the sun then came back in at night
Do you have an enclosure that opens with sliding doors at the front? Many hatchlings and small snakes seem to escape this way as they can squeeze through the gap between the two bits of glass. This can be easily fixed by squashing some plastic tubing in the length of the gap to block the space.