It's a phenomenon experienced by the families of missing people when a body is never found, experts say: grief without certainty.

Joshua Riibe told a court that he has assisted with search efforts and has received support from Konanki's family, who believes she drowned.

A man who investigators believe was the last person to see missing US college student Sudiksha Konanki alive appeared in a Dominican Republic court Tuesday to ask it to grant him freedom, arguing Dominican authorities have inappropriately restrained his movements without charges since the 20-year-old woman’s disappearance.