Sam Anderson

At this point, investigators feel sure that Mark Sands is their guy, and he's either acting alone or with others. But they still need to prove it. They already questioned Mark, but he didn't give them anything. Now, he's lawyered up and denying any involvement beyond writing on the sign.

At this point, investigators feel sure that Mark Sands is their guy, and he's either acting alone or with others. But they still need to prove it. They already questioned Mark, but he didn't give them anything. Now, he's lawyered up and denying any involvement beyond writing on the sign.

In the weeks after Mark's arrest, Agent Ken Williams and the rest of the task force begin to surveil him and his family. And they are not being subtle about it. unmarked cop cars are posted up outside their house. Each week, his trash bins are passed over by the regular trucks, and a special garbage truck arrives to pick up just Mark's trash, no one else's.

In the weeks after Mark's arrest, Agent Ken Williams and the rest of the task force begin to surveil him and his family. And they are not being subtle about it. unmarked cop cars are posted up outside their house. Each week, his trash bins are passed over by the regular trucks, and a special garbage truck arrives to pick up just Mark's trash, no one else's.

Now we're on him. It's not just the task force that's come down hard on Mark. The media is there too, camped out in news trucks, pestering them for interviews every time they leave the house. Meanwhile, saliva found on the envelope of a letter sent by the supposed arsonist to the Phoenix New Times is positively ID'd as Mark Sands. While all of this may sound like a smoking gun, it's not.

Now we're on him. It's not just the task force that's come down hard on Mark. The media is there too, camped out in news trucks, pestering them for interviews every time they leave the house. Meanwhile, saliva found on the envelope of a letter sent by the supposed arsonist to the Phoenix New Times is positively ID'd as Mark Sands. While all of this may sound like a smoking gun, it's not.

Anyone can graffiti a sign, and anyone can write a letter claiming to be an arsonist. It doesn't prove you are one.

Anyone can graffiti a sign, and anyone can write a letter claiming to be an arsonist. It doesn't prove you are one.

The task force is after something concrete. And so we swoop in on Warren Jerram's. Warren Jeroms, Mark's running buddy, his best friend.

The task force is after something concrete. And so we swoop in on Warren Jerram's. Warren Jeroms, Mark's running buddy, his best friend.

Warren is about to embark on one of the most difficult chapters of his life.

Warren is about to embark on one of the most difficult chapters of his life.

It didn't take long for the investigators to figure out that Warren is Mark's closest friend. Now, they're hoping he will give them the information they need. But Warren has his own ideas about Mark's character.

It didn't take long for the investigators to figure out that Warren is Mark's closest friend. Now, they're hoping he will give them the information they need. But Warren has his own ideas about Mark's character.

Mark's daughter and Warren's daughter are close friends. They hang out together, sing in the church choir together.

Mark's daughter and Warren's daughter are close friends. They hang out together, sing in the church choir together.

Warren tells the investigators that he doesn't believe his friend set those fires. He answers all their questions as best he can.

Warren tells the investigators that he doesn't believe his friend set those fires. He answers all their questions as best he can.

But this won't be the last time Warren hears from the task force. They keep trying to reach out to him. They speak to his wife, Mia. And even though Warren still believes that Mark is innocent, Mark is growing distrustful of Warren. At one point, he confronts Warren.

But this won't be the last time Warren hears from the task force. They keep trying to reach out to him. They speak to his wife, Mia. And even though Warren still believes that Mark is innocent, Mark is growing distrustful of Warren. At one point, he confronts Warren.