If I were the government, I'd be looking at the alarm function and programmability and whether there were screw terminals installed at the alarm output intending connection to something else.
With today's electronics miniaturization and vast simplification of display drivers and the basic clock/time derivation functions, this “hobby project” is grossly mismatched. It is an exercise in design, layout, wiring harness expertise. In other words this is a precursor bomb that is intended for training, and for dry run or just Islamophobia provocation.
WHAT TGHE HELL IS WRONG WITH US THAT WE WILL NOT RESPOND/REACT TO A CLEAR AND PRESENT DANGER ???