“The Daily Show With Trevor Noah” debunked the claim on Thursday night’s episode that the only way to prevent mass shootings is to arm the good guys.

Correspondent Jordan Klepper went across the river to New Jersey to train for his concealed carry permit. After finishing his training, he went to the Advanced Law Enforcement Rapid Response Training in Texas to learn how to respond to an active shooter.

“With my Glock 17 modified to shoot paintball-like bullets, I’m the good guy with the gun whose going to take him down,” Klepper said of his first simulated active shooter situation.

Watch how Klepper’s active shooter training goes below. Here’s part one of Klepper’s report:

And part two: