Dissection has begun on hands from one of Peru's hotly debated 'alien mummies' — seen in an eerie new video revealing bones and odd metallic structures.

Worldwide controversy has followed these now roughly dozen or so small peculiar specimens, often referred to as the 'Nazca Tridactyls' after the region in Peru where they are believed to have been taken by anonymous local 'huaqueros' (tomb raiders).

Now, doctors claimed to have removed a 'light metal' implant from the new specimen's palm, a reporter who is working with medical professionals involved in the investigation told DailyMail.com.

The short video documents the moment one physician carefully pulls the suspected 'alien implant' from the Nazca Tridactyl's severed, three-fingered hand with tweezers.

Mexican Navy forensic doctor Dr Jose Zalce Benitez — who devoted his free time to remove the metal — said: 'It is a very complex metal alloy that requires special knowledge and techniques to be able to achieve it with such quality and purity.'

'It was possible to identify elements such as aluminum, tin, silver, copper, cadmium and osmium among others in smaller quantities and percentages,' Dr Zalce added.

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