unaccounted for

The authors also noted that other, unaccounted-for health or lifestyle factors may have influenced the results.

Local police have not publicly identified any of the unaccounted-for victims, who authorities presume have all been killed.

"It is estimated that the unaccounted-for costs of current approaches to economic activity – reflecting impacts on biodiversity, water, health and climate change, including from food production – are at least $10-25tn per year," she said.

In 2017, Kubinec’s casket was among 35 exhumed that were associated with the West Virginia and sent for DNA testing by the Defense POW/MIA Accounting Agency, which works to recover and identify unaccounted-for soldiers.

But it later confirmed there was another unaccounted-for passenger on the flight.