From the book
"What are you doing?" Emily yelled through the door, and the door moved and rattled in its hinges when she yanked at it. With the kind of outfit she was wearing there was no way she was able to follow him up over the wall.
Matt ignored her, too preoccupied with following where the hornets told him to go. He heard her, but didn’t register what she was saying. On the other side of the wall that protected the gardens was nothing, a bit of land with overgrown grass and a dirty, smelly ditch separating the back of this street from the next row of houses on the other side. Matt looked around and spotted a trail of flattened grass, almost completely hidden in the taller blades. His heart started pounding and he followed it into the shrubs and brambles along the ditch.
He held his breath as he pushed the twigs and branches of the shrubs aside. Their thorns scratched at his hands, but he kept going. He didn’t even notice any pain, not even because his hands were numb from the cold rain, but because what he had been looking for became clearer. He sensed it, but then he also saw it. Covered by the shrubs was a bin liner, and from the looks of it, it was full. This time he resisted the urge to be impulsive and open it, his fingerprints were already all over this case and it was enough. And besides, he didn’t even need to see the contents to know what they were. "Emily, I found something..."