Respectively, a third of his life for the first one, and half of his life for the second one. And that is a lower bound.
The first one had an account on a cybercrime forum 8 years ago, so he was 14!
> These last two nicknames correspond to accounts on several top cybercrime forums way back in 2013.
The second one had an account 13 years ago, so he was 15. Wow!
> [T]hat forum’s database says a user by the name “Damnating” registered with the forum in 2008.