Inside the Mind of a Killer The Plan for Revenge 🧠

🔪 True Crime post officer murder

The Ninja Killer: Joseph Harris and the 1991 New Jersey Postal Murders | True Crime Documentary
In this gripping true crime documentary, we investigate the terrifying story of Joseph Harris, a former postal worker turned mass murderer, who shocked the nation in 1991 with a deadly rampage across Wayne, New Jersey and the Ridgewood Post Office.
Known as the “Ninja Killer,” Harris used an Uzi, homemade grenades, and a samurai sword to carry out a violent attack on his former coworkers — leaving four people dead and a nation stunned. But Harris’s crimes didn’t start there… or stop where the headlines ended.
This video explores:
• The background of Joseph M. Harris, disgruntled postal employee
• The Wayne NJ double homicide of Carol Ott and Cornelius Kasten
• The Ridgewood Post Office mass shooting
• Harris’s previous murder of Roy Edwards in 1988
• The mental health warnings and law enforcement missteps
• How Harris’s case influenced postal security and workplace violence protocols
🧠 What You'll Learn:
• What caused Harris to snap?
• How he planned and executed the attacks
• Why he wore a ninja outfit and used a samurai sword
• The FBI and local police response
• What we can learn today from this horrifying case

Joseph Harris Ninja Killer | USPS Postal Shooting 1991
Ninja Killer Joseph Harris: Full USPS Postal Massacre Story (1991)

#shorts #truecrimeshorts #JosephHarris #ninjakiller #postalshooting #USPSmurders #NewJerseyCrime #crime #truecrimestories #1990scrime #truecrimecommunity #crime #truecrimedocumentary #unsolvedmysteries #1990scrime #serialkillers #masskiller #masskillers #criminology #truecrimecommunity #ridgefieldnj #waynenj
FAIR USE NOTICE: This video may contain copyrighted material, the use of which has not been specifically authorized by the copyright owner. I am providing such material for purposes of criticism, comment, review, and news reporting, which constitute fair use under section 107 of the US Copyright Law. Despite the provisions of sections 106 and 106A, the fair use of copyrighted work for the aforementioned purposes is not an infringement of copyright. Disclaimer: My videos and other published media should not be interpreted as legal advice. I am not an attorney, nor am I your attorney. If you believe you are a victim of police misconduct, seek legal counsel. The facts presented in our publications do not reflect personal opinions. They are designed to be educational and informative, based on available information. The interpretation of laws, case law, ordinances, policies, legal doctrine, and all other jurisprudence is subject to court interpretation. I do not intend to provoke, incite, or shock the viewer and should not be considered a 'call to action'. All claims made are alleged, so if you notice a mistake or misrepresentation, please email us so we can promptly address the issue.
Copyright Disclaimer, Section 107 of the Copyright Act 1976. "Fair Use" is permitted for purposes such as criticism, comment, news reporting, teaching. scholarships and research.

Видео Inside the Mind of a Killer The Plan for Revenge 🧠 канала True Crime & Police Cases – Trooper John O’Rourke