Originally envisioned as an "independent thriller", not 24 ...
http://variety.com/2016/tv/news/x-1201946018/
... Speaking to Variety before the screening, Katz said [...] he didn’t initiallyshare
think about setting his new project in the [24] series’ narrative universe.
"My writing partner Manny Coto and I, we didn’t start out with that idea. [...]
We were actually talking about an independent thriller idea. At some point,
someone said, 'this could be 24' ..."