His directorial film debut was the detective spoof "Gumshoe" (1971). They involved the exploits of Evan Sawyer, "Acme Detective Agency's newest and youngest gumshoe". Regardless of the result, the Chief promoted the gumshoe to "sleuth" with her congratulations. Lippman's works have won the Agatha, Anthony, Edgar, Nero, Gumshoe and Shamus awards. Later, police detectives drop by Gumshoe Video to question Neil about the Media Giant break-in. "Trail of Cthulhu" introduces a magic system to the GUMSHOE System. "Gumshoe" (1971), and the Alfred Hitchcock thriller "Frenzy" (1972). Finney then made "Gumshoe" (1971), the first feature directed by Stephen Frears, for Memorial. His books and stories have additionally been nominated for Gumshoe and Edgar Awards. The shop featured in the British 1971 film "Gumshoe". All mechanics in the "Gumshoe System" revolve around character abilities. The EP featured the songs "Bath Salts", "Gumshoe" and "The Go". Pelgrane Press has produced a number of games that use the "Gumshoe System". He was also behind the camera on Stephen Frears' first feature film "Gumshoe" in 1971. "Blood Is the Sky" (which won the 2004 Gumshoe Award).