News Reporter

That same day, investigators picked Caitlin Armstrong up on an old warrant for failing to pay for a Botox treatment. But investigators had to let Armstrong go. There was a problem. Armstrong's birth date did not match the date on the warrant. So the warrant wasn't valid and police didn't have enough to charge her with anything else. Two days after that interview, police got an unexpected call.

That same day, investigators picked Caitlin Armstrong up on an old warrant for failing to pay for a Botox treatment. But investigators had to let Armstrong go. There was a problem. Armstrong's birth date did not match the date on the warrant. So the warrant wasn't valid and police didn't have enough to charge her with anything else. Two days after that interview, police got an unexpected call.

That same day, investigators picked Caitlin Armstrong up on an old warrant for failing to pay for a Botox treatment. But investigators had to let Armstrong go. There was a problem. Armstrong's birth date did not match the date on the warrant. So the warrant wasn't valid and police didn't have enough to charge her with anything else. Two days after that interview, police got an unexpected call.

It was from a friend of Caitlin Armstrong. Police say the caller told them that Armstrong was so angry about Strickland's relationship with Mariah that she wanted to kill her. It was yet another indication that they were on the right track. A few days later, an arrest warrant was issued. But when police went looking for Caitlin Armstrong, she was gone.

It was from a friend of Caitlin Armstrong. Police say the caller told them that Armstrong was so angry about Strickland's relationship with Mariah that she wanted to kill her. It was yet another indication that they were on the right track. A few days later, an arrest warrant was issued. But when police went looking for Caitlin Armstrong, she was gone.

It was from a friend of Caitlin Armstrong. Police say the caller told them that Armstrong was so angry about Strickland's relationship with Mariah that she wanted to kill her. It was yet another indication that they were on the right track. A few days later, an arrest warrant was issued. But when police went looking for Caitlin Armstrong, she was gone.

U.S. Marshals got the job of tracking her down.

U.S. Marshals got the job of tracking her down.

U.S. Marshals got the job of tracking her down.

Damian Fernandez and Amir Perez are deputy U.S. Marshals. They joined Austin police officers Jonathan Riley and Mark McCloud on the case. The team, based in Texas, is known as the Lone Star Fugitive Task Force. With no sign of Caitlin Armstrong, the task force suspected Armstrong may have left town, headed for her sister Christy's place in upstate New York.

Damian Fernandez and Amir Perez are deputy U.S. Marshals. They joined Austin police officers Jonathan Riley and Mark McCloud on the case. The team, based in Texas, is known as the Lone Star Fugitive Task Force. With no sign of Caitlin Armstrong, the task force suspected Armstrong may have left town, headed for her sister Christy's place in upstate New York.

Damian Fernandez and Amir Perez are deputy U.S. Marshals. They joined Austin police officers Jonathan Riley and Mark McCloud on the case. The team, based in Texas, is known as the Lone Star Fugitive Task Force. With no sign of Caitlin Armstrong, the task force suspected Armstrong may have left town, headed for her sister Christy's place in upstate New York.

Their instincts were right. In upstate New York, another deputy marshal managed to track down Armstrong's sister.

Their instincts were right. In upstate New York, another deputy marshal managed to track down Armstrong's sister.

Their instincts were right. In upstate New York, another deputy marshal managed to track down Armstrong's sister.

When the task force checked outbound flights at Newark Airport, no reservations had been made in Caitlin Armstrong's name. But the team had a hunch. Because Christy told the deputy marshal in New York that she didn't know where her passport was. So they checked with her contact at Homeland Security.

When the task force checked outbound flights at Newark Airport, no reservations had been made in Caitlin Armstrong's name. But the team had a hunch. Because Christy told the deputy marshal in New York that she didn't know where her passport was. So they checked with her contact at Homeland Security.

When the task force checked outbound flights at Newark Airport, no reservations had been made in Caitlin Armstrong's name. But the team had a hunch. Because Christy told the deputy marshal in New York that she didn't know where her passport was. So they checked with her contact at Homeland Security.

The marshal suspected that Caitlin Armstrong had used her sister's passport to flee. Christy Armstrong later emphasized to authorities she did not give her sister the passport. She has never been charged with any crime related to this case. Marshals Amir Perez and Damian Fernandez arrived in Costa Rica a month after Armstrong.

The marshal suspected that Caitlin Armstrong had used her sister's passport to flee. Christy Armstrong later emphasized to authorities she did not give her sister the passport. She has never been charged with any crime related to this case. Marshals Amir Perez and Damian Fernandez arrived in Costa Rica a month after Armstrong.