New reporting says Nick Reiner is "almost childlike," delirious, and reportedly not competent to stand trial for the brutal stabbing deaths of his parents, Rob Reiner and Michele Singer Reiner.

Tonight, Scott breaks down what "not competent to proceed" actually means, how a medication change may have helped flip this case on its head, and what comes next: psych hospital, insanity plea, or a long road back to trial.

We'll walk through the crime, the conservatorship history, the TMZ documentary claims, and why competency and insanity are not the same thing under California law.