Multiple sources suggest Fuisz has connections to the US military and intelligence community. The exact nature, duration, and specific projects involved in these connections are not fully documented. More information is needed to provide a detailed account of this aspect of his life. Substantiating these claims requires reliable sources, such as official documents or credible first-hand accounts.

His involvement with military or intelligence agencies likely influenced his work, potentially providing him with unique insights and resources, as well as constraints. The specifics of these interactions require further investigation and reliable sourcing.