by a factory noise when he was a child. The push to create the product was when Stapleton's 17-year-old daughter went to the store to buy milk and was harassed by a group of 12- to 15-year-olds. Using his children as test subjects, he determined the frequency of "The Mosquito".

The Mosquito was released to the mainstream market in 2005, through Stapleton's company Compound Security Solutions. The current device has two settings: the high frequency sound targeted at youth, and another that can be heard by everyone. The range of the sound