Hacker group “Lulz Security” has made headlines before for wreaking various forms of havoc on websites as varied as PBS.org to CIA.gov, but tonight they have put on their political activist hat and released what they claim is hundreds of top secret documents of Arizona’s police force, in an attempt to protest anti-illegal immigration bill SB1070.

U.K. police arrested a 19-year-old on Monday for allegedly attacking a police website earlier in the day, in what is the first arrest connected with the rogue hacking group Lulz Security. The Metropolitan Police Central e-Crime Unit (PCeU) said the teenager was detained following an investigation into network intrusions and distributed denial-of-service (DDOS) attacks against “a number of …