Body found in Costa Rica near home of missing American woman

Authorities in Costa Rica said they found a body on the property where Carla Stefaniak, of Florida, was staying and last seen alive.
2:01 | 12/04/18

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Transcript for Body found in Costa Rica near home of missing American woman
We'll move on to troubling developments in the search for the American woman who vanished in Costa Rica. They found a body near the airbnb where she was staying and Eva pilgrim has the latest. Reporter: A Florida family is waiting for answers this morning. No word on the identity of that body discovered behind the airbnb where that woman was last known to be. This morning, new footage of what is now a crime scene in Costa Rica. Authorities here finding a woman's body on the property where missing American Carla Stefaniak was staying and last seen alive. Second day, hot springs. Reporter: Stefaniak, who was on a week-long vacation celebrating her 36th birthday with Welcome to my birthday. Reporter: Stayed in the country for an extra day alone at this airbnb after dropping her sister-in-law off at the airport. Her family desperate to find her. Her brother flying to Costa Rica retracing her final known steps coming here to the home she stayed in looking for any clues. This is weird that she didn't message anybody. It was her birthday. You know what I mean. There's something wrong here. Reporter: He repeatedly looked at the final text from his sister before her phone died. Stefaniak texting that she was too tired to go out and it's raining hard, power went off, super sketchy. Stefaniak's family says she checked into her flight home at some point and that the owner of the airbnb told them she left with her bags the next morning at 5:00 A.M. But her family says she scheduled an Uber to pick her up at 8:30 in the morning to take her shopping. She didn't show up. Her flight wasn't until 1:30. She's only 20 or 30 minutes from the airport so this story doesn't make sense. Reporter: Officials say they will test what appears to be blood flood inside the home. Authorities will now work to positively identify the body. They have not named any suspects at this point. What a story. Eva, thanks very much.

This transcript has been automatically generated and may not be 100% accurate.

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