Russian cosmonaut confirms mysterious hole in the International Space Station was drilled from INSIDE - but investigators still don't know how it got there

Cosmonaut Sergey Prokopyev spoke about the hole in Soyuz capsule this week

Prokopyev and crewmember investigated it during spacewalk on Dec. 12

The cosmonaut says it was drilled from inside capsule, but wasn't made by crew

Russian law enforcement is now investigating samples brought back from ISS

https://www.dailymail.co.uk/sciencetech/article-6530471/Russia-says-mysterious-hole-International-Space-Station-drilled-INSIDE.html