The biggest change
stems from lawmakers» plans to spend at least $ 400 million in response to the mass
shooting Feb. 14 at Marjory Stoneman Douglas High
School in Parkland that left 17 people dead.
Developed in response to the mass
shooting incident at Sandy Hook Elementary
School, the acoustic gunshot detector, a small device that contains a microcontroller, microphone, and battery,
stemmed from a sensor PNNL already created for the military.