Luciano tells The Dodo that the delivery started just like any other. He frequently drops packages to this customer, so he thought he knew what to expect after ringing her doorbell. He was wrong.
"I'm always jamming to music, so I'm bobbing my head," Luciano told The Dodo. "[Then] this squirrel just jumped out of nowhere."
The random squirrel jumped onto Luciano's back and, despite the surprise, he played it remarkably cool. Here's that moment taken by the customer's security camera: