WS Investigations, tools start with sophisticated licensed search engines. The Internet is “the mother lode when it comes to obtaining information.” They also utilize G.P.S. tracking devices and night vision scopes. Walter Stewart reminisced about his early days as a police officer when he didn’t even have a radio, and all he had was a key to the police box telephone. That doesn’t mean that Stewart doesn’t pound the pavement. He still knocks on doors and goes to the courthouse to search files, methods that continue to serve him well. “Years of experience in gumshoe techniques combined with new technology have led me to understand the investigative process better,”