This year is the 20th anniversary of the devastating September 11 terrorist attacks in the US.
Bec, Cosi & Lehmo spoke to Will Jimeno, a police officer who was one of the first responders to the World Trade Centre site.
Will described the harrowing events of the day, and how he was buried under rubble for 13 hours after the South Tower collapsed.
Take a listen to our full chat here: