Sam Anderson

Warren knew that hiking the Grand Canyon was always on Mark's bucket list. So he tells the task force he has an idea.

Warren knew that hiking the Grand Canyon was always on Mark's bucket list. So he tells the task force he has an idea.

The plan is to hike the South Rim Trail, which goes all the way to the bottom of the Grand Canyon. And they want to do it by the light of the full moon, which means they'll be setting off that evening at sunset.

The plan is to hike the South Rim Trail, which goes all the way to the bottom of the Grand Canyon. And they want to do it by the light of the full moon, which means they'll be setting off that evening at sunset.

the task force rushes to prepare. This operation is gonna be expensive, but the police and the FBI bigwigs are anxious to finally nail this arsonist. Rob heads into his boss's office.

the task force rushes to prepare. This operation is gonna be expensive, but the police and the FBI bigwigs are anxious to finally nail this arsonist. Rob heads into his boss's office.

Wow.

Wow.

They get around 15 undercover officers on board.

They get around 15 undercover officers on board.

Rob even calls in air support.

Rob even calls in air support.

Yeah, I mean, it kind of sounds like overkill almost. Do you think it was like too much?

Yeah, I mean, it kind of sounds like overkill almost. Do you think it was like too much?

Warren is given a set of glow sticks to attach to his bag to use as a signal. Green for safe, red for danger.

Warren is given a set of glow sticks to attach to his bag to use as a signal. Green for safe, red for danger.

Undercover cops dressed as hikers will be ready to intervene, by force if necessary, at the first sign of trouble. Then there's the recording device. They sew one into his backpack and another into his water bottle holder. But it's a rush job.

Undercover cops dressed as hikers will be ready to intervene, by force if necessary, at the first sign of trouble. Then there's the recording device. They sew one into his backpack and another into his water bottle holder. But it's a rush job.

While the task force is focused on the technical side of things, Warren is preparing mentally for what he's about to do.

While the task force is focused on the technical side of things, Warren is preparing mentally for what he's about to do.