For most of the past decade, synthetic opioids such as fentanyl have led all other drugs in overdose deaths.

Her death certificate lists the cause as accidental, but her dad rejects that with every fiber of his being. He says Alexandra Capelouto’s death was clearly, absolutely, unequivocally not an accident.

EXCLUSIVE: A Defense Department scientist’s 2022 death, which was ruled an accident, is drawing new scrutiny as federal authorities examine a series of deaths and disappearances involving researchers ...