When next-door neighbors pointed out that they had scorpions, and had seen some in our yard, we contacted Bulwark (after reading about them on Angie's list). While I was totally creeped out by what Connor told me about the various creepy-crawlies in the desert (being from the East Coast), his thorough explanation of Bulwark's approach, techniques, and responsibility gave me enormous confidence in their program. Connor is hugely knowledgeable, very professional, and reassuring. He explained what he was doing an why,how it would work--then, after spraying the yard, he showed me the less than healthy former residents . . .Yay for Connor!!