A couple thing the series really drives home for me- 1. the unreliability of memory. Many examples throughout but the best is probably the first victim who identified Avery as her attacker, mistakenly, and testified that he was the culprit. Eyewitnesses, investigators and police mis-remembering their own words or saying something to the effect of "I wouldn't have said it like that," even when those conversations were recorded. 2. how easily suggestible people are, especially kids. Brendan Dassey's confession. The lab tester. The 7 jurors who initially voted "not guilty" and then changed their vote after deliberations (possibly there was compelling evidence not presented in the documentary?) 3. how heavily justice relies on fair and competent judges. As Strang points out at the end, it seems ridiculous that the same judge who would grant Dassey a new public defender would not later give him a re-trial that throws out the evidence his first lawyer obtained (on behalf of the prosecution no less). The whole Dassey situation, from the investigators tricking him into confession, the absent public defender, the judge who doesn't recognize his own inconsistency, is probably the most outrageous and disappointing thing to me.