Ellen Greenberg Death 2011https://www.phillyvoice.com/docuseries-ellen-greenberg-2011-stabbing/https://6abc.com/post/ellen-greenberg-case-hulu-docuseries-reexamines-mysterious-death-philadelphia-teacher/17888140/https://en.wikipedia.org/wiki/Death_of_Ellen_Greenberg « CrimeCon Denver Aurora Colorado, Sept, 5 to 7, 2025