I saw Henry’s eyes darting back and forth, his gaze constantly trying to find its way down to the lower part of our bodies through the gaps in the seats. He was definitely suspecting something fishy. There was a look of deep confusion on his face, the kind of look a man gives when he knows something is out of place but can’t quite put his finger on it.

That was when I knew that the boxes were doing a nice job. Without those boxes piled high on the front seat, creating a jagged wall between the front and the back, he would have easily caught us.

They were our...