A nuke high in the atmosphere = electromagnetic pulse, not at all like the pure fiction in the movies.

In my story, 3rd scene of Act 1, the protagonist's disabled father-in-law wears a shitty exoskeleton, facing off with police in their fancy warrior exo-suits.

Those are neat and much smaller than I'd imagined. They almost look like they're just spring-loaded aids or something, potentially plastic. Interesting.