EDIT: Confirmed, This video is of the bust of the alleged Hydra Admin by TEK [local Hungarian SWAT] who was arrested, interrogated and later released (The released part is somewhat unclear yet) in Budapest, Hungary - the police says he was the admin of Hydra, since 2014 march and that he collected 5% commission from the site sales.
http://index.hu/tech/2014/11/11/magyar_uzemeltette_a_sotet_web_egyik_drogpiacat/
I asked the Journalist who wrote this to give us a tl;dr
Thanks to https://twitter.com/lazavagyok
And:
Foe helping with the tl;dr in English
Google translate sucks, but here is the gist:
First paragraph contains known info about SR2, Tor and the like.
"One of the sites busted in Onymous was Hydra, which was operating since 2014, whose Hungarian admin was arrested by TEK [local SWAT].
According to the police press release it was done in coordination with EUROPOL and following the request of the prosecutor's office in Frankfurt and arrested a 26yo inhabitant of Budapest.
According to the suspicion [doesn't say charge] he was the admin of Hydra since March. He didn't only provide the platform but raked in a 5% commission. [Then it goes to talk about Hydra in general.]
The police, together with the detectives of Hessen state, interrogated him, but he is not in custody."
The rest is basically speculation about the possible ddos that helped police identify servers. It also notes that if Tor indeed has an exploitable weakness then this is bad news not just for "drug dealers" but for whistleblowers, journalist, and political activists who try to communicate anonymously.