A person of interest in the case of a missing University of Pittsburgh student broke his silence over the weekend, saying that he is focused on helping authorities in the Dominican Republic locate 20-year-old Sudiksha Konanki.

Joshua Riibe, the person of interest in Sudiksha Konanki's March 6 disappearance in the Dominican Republic, has spoken out for the first time, stating that he is 'just trying to help.'

Even as an investigation into the case is underway, police in the Caribbean country have been interrogating one person -- Joshua Steven Riibe -- over the past several days. Here's what we know about him so far.

Joshua Riibe, the last person seen with missing University of Pittsburgh student Sudiksha Konanki, had his passport confiscated by Dominican Republic authorities as part of an ongoing investigation into her disappearance.

Although authorities consider Joshua Riibe a “person of interest” in the case, he has not been charged or formally accused of any wrongdoing. However, his passport has been confiscated to prevent him from leaving the country.

Joshua Riibe, who is believed to be the last person to see University of Pittsburgh student Sudiksha Konanki, has not officially been accused of or charged with any wrongdoing.

The Iowa native says he has been cooperating with authorities as they continue the search for the 20-year-old Indian national.

The last person to see University of Pittsburgh student Sudiksha Konanki before she disappeared in the Dominican Republic has had his passport taken by investigators. Authorities in the Caribbean country have confiscated Joshua Riibe’s travel documents as they continue to probe Konanki’s disappearance,