ISIS-inspired New Orleans terrorist Shamsud-Din Jabbar prepared a “very rare explosive compound” in the two homemade bombs he planned to detonate on Bourbon Street, police said.

The attacker in the New Orleans vehicular attack used a rare explosive compound in two homemade bombs that failed to detonate, according to senior law enforcement officials. Investigators are examining how Shamsud-Din Jabbar learned about and produced a rare explosive never before used in U.