A good thriller, like a certain Miss Christie would tell you, is one where the clues are placed right in front of the audience, but which still keeps them guessing until the very end. Taken in that context, Project Z is one that the Dame would've approved of.
Or at least the story part of it. Maybe.
But would Hitchcock? The thaumaturge of telling shocking, riveting, thrilling stories via the cinematic media? Definitely not.
Five minutes into the movie - and if you're paying attention - you have a fair idea of what path it is heading down, but that ....