 Further examination of the bone remains of Anastasia in the late 20th century by archaeologists and forensics experts have been able to provide evidence that could actually sustain her husband's claim.The high levels of mercury in her hair could be symptomatic of poisoning.While mercury was also used as a cure, leading to some debates around the issue, the found levels of mercury were too high according to the experts and thus the poisoning version remains the most accepted one.