Try the Federal due process provision of the USC made applicable to the states by the 14th Amendment.
Why is that so complicated for armchair constitutionalists here (and elsewhere) to understand?
Not specific enough. There has to be particular violation of particular rights. You can't just go into federal court and claim that your due process rights were violated. You have to spell it out, make a case. I've read the Schindler's complaint, and it looks empty. They're grasping at straws.
f.y.i.