Chapter 4
The plastic tube slid in, and the trigger was pulled. The light yellow insulating foam spewed from the tube connected to the can and into the narrow opening, rapidly expanding. In seconds, the foam insulation pushed all the air from the available space.
Those who’d gathered watched as Detective Dan Felty released the trigger and saw the foam pouring out of the narrow opening at the mouth of the two-liter soda bottle. He’d planned to fill the bottle only halfway, but the thick goo began expanding so quickly that it overflowed the bottle before he could remove the tube.
Mac bent down and touched some of the still-expanding mass.
“It’s very thick and sticky,” she said.
About a dozen of their peers observed the experiment in the back lot of the Midtown Detective Bureau. Everyone
