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But after almost a week of hunting, even that didn't seem to be working. We're going back to San Jose. Now back in San Jose, the marshals were getting ready to head home when suddenly... We got a bite.

But after almost a week of hunting, even that didn't seem to be working. We're going back to San Jose. Now back in San Jose, the marshals were getting ready to head home when suddenly... We got a bite.

Deputy Marshals Perez and Fernandez rushed back to Santa Teresa just ahead of a tropical storm. Local authorities in Santa Teresa had done surveillance on a hostel called Don John's, where the yoga instructor, the one who answered the online ad, was believed to be. It was now time for the marshals to make their move. So I walked up and I got in.

Deputy Marshals Perez and Fernandez rushed back to Santa Teresa just ahead of a tropical storm. Local authorities in Santa Teresa had done surveillance on a hostel called Don John's, where the yoga instructor, the one who answered the online ad, was believed to be. It was now time for the marshals to make their move. So I walked up and I got in.

Deputy Marshals Perez and Fernandez rushed back to Santa Teresa just ahead of a tropical storm. Local authorities in Santa Teresa had done surveillance on a hostel called Don John's, where the yoga instructor, the one who answered the online ad, was believed to be. It was now time for the marshals to make their move. So I walked up and I got in.

They decided that Deputy Marshal Perez would approach the woman alone. They didn't want to scare her off. He would pretend to be a tourist and try to get a really good look at her face.

They decided that Deputy Marshal Perez would approach the woman alone. They didn't want to scare her off. He would pretend to be a tourist and try to get a really good look at her face.

They decided that Deputy Marshal Perez would approach the woman alone. They didn't want to scare her off. He would pretend to be a tourist and try to get a really good look at her face.

Local police moved in to make the actual arrest. And soon, the marshals discovered why Armstrong had been so hard to find. She had been getting plastic surgery when they first arrived in Santa Teresa. At the hostel, they found a receipt.

Local police moved in to make the actual arrest. And soon, the marshals discovered why Armstrong had been so hard to find. She had been getting plastic surgery when they first arrived in Santa Teresa. At the hostel, they found a receipt.

Local police moved in to make the actual arrest. And soon, the marshals discovered why Armstrong had been so hard to find. She had been getting plastic surgery when they first arrived in Santa Teresa. At the hostel, they found a receipt.

In these side-by-side photos, you can see that Armstrong changed the shape of her nose.

In these side-by-side photos, you can see that Armstrong changed the shape of her nose.

In these side-by-side photos, you can see that Armstrong changed the shape of her nose.

The Marshalls took Armstrong back to Texas, where she was charged and held in jail. But just weeks before she was due to stand trial for the murder of Mariah Wilson, Kaitlyn Armstrong escaped again. Almost three weeks before her trial, former fugitive Kaitlyn Armstrong somehow managed to escape from custody.

The Marshalls took Armstrong back to Texas, where she was charged and held in jail. But just weeks before she was due to stand trial for the murder of Mariah Wilson, Kaitlyn Armstrong escaped again. Almost three weeks before her trial, former fugitive Kaitlyn Armstrong somehow managed to escape from custody.

The Marshalls took Armstrong back to Texas, where she was charged and held in jail. But just weeks before she was due to stand trial for the murder of Mariah Wilson, Kaitlyn Armstrong escaped again. Almost three weeks before her trial, former fugitive Kaitlyn Armstrong somehow managed to escape from custody.

On November 1st, 2023, Caitlin Armstrong's trial began. Her defense team did not respond to 48 Hours' request for an interview. Prosecutors told the jury that Armstrong had been tracking Mariah using a sports app called Strava. They said Armstrong's DNA was found on the handlebars of Mariah's bike that had been discarded in the bushes.

On November 1st, 2023, Caitlin Armstrong's trial began. Her defense team did not respond to 48 Hours' request for an interview. Prosecutors told the jury that Armstrong had been tracking Mariah using a sports app called Strava. They said Armstrong's DNA was found on the handlebars of Mariah's bike that had been discarded in the bushes.

On November 1st, 2023, Caitlin Armstrong's trial began. Her defense team did not respond to 48 Hours' request for an interview. Prosecutors told the jury that Armstrong had been tracking Mariah using a sports app called Strava. They said Armstrong's DNA was found on the handlebars of Mariah's bike that had been discarded in the bushes.