“The Signal” Review: Too Ambitious For Its Own Good, But Still A Satisfying Sci-Fi Mystery Thriller Michael Lee, June 12, 2014June 29, 2014 It’s hard to describe a film like The Signal. For one thing, it switches between so many genres you start to lose track of what kind of a film you are actually watching. What starts out as a sci-fi mystery thriller turns into some sorts of quasi-romance found footage conspiracy…