Now this was a novel experience—having my phone calls monitored, ex post facto, by a livid legislator.
NRA defends the constitutional right to something similar, ex post facto.
The caution holds true for those weighing the ex post facto accounts of former presidents.
from Medieval Latin ex postfacto, "from what is done afterwards."
An explanation or regulation concocted after the event, sometimes misleading or unjust: “Your ex post facto defense won't stand up in court.” (See ex post facto law.) From Latin, meaning “after the deed.”
A descriptive term for an explanation or a law that is made up after an event and then applied to it: “The chairman's description of his plan sounds like an ex post facto attempt to justify an impulsive action.” Ex post facto is Latin for “from after the deed.”