[1] On 13 December 2010, Michálek filed a criminal complaint of corruption against the Environment Ministry in its tender for reconstruction of a Prague water treatment plant.

[3][10] Prime Minister Petr Nečas defended Drobil, and called Michálek untrustworthy despite his public reputation as a whistleblower.

[15] On 21 December 2010, Czech Police Chief Oldrich Martinu resigned after Interior Minister Radek John's month-long call for his ouster in part due to the Drobil case's mishandling.

[7][20] At the end of July 2012, Libor Michálek accepted the Czech Pirate, Green, and Christian Democrat Party senatorial nominations for District 26.

[4][23] His personal 12-point platform prioritized direct democracy, fair political party competition, and anti-corruption oversight efforts alongside social welfare reforms.

[4][23] Another candidate, Karel Berka, challenged the decision,[26] but the Czech Supreme Administrative Court found the claims unfounded.

[32] In May 2011, he was awarded the František Kriegel Prize by the Charter 77 Foundation for his "brave, consistent and uncompromising fight against corruption in government.