The Georgia Bureau of Investigation had initially characterized the deaths of 19-year-olds Qaadir and Naazir Lewis, who were found deceased atop the mountain in March, as a murder-suicide. But in the two months since, new information was uncovered that changed its assessment, the agency said.

Qaadir and Naazir Lewis, 19-year-old identical twins, were found fatally shot at the remote summit of a Georgia mountain. The mystery has baffled their family for months, but police now say they know