Potkan (September 6, 1956) is a Slovak criminal, terrorist and mafia hitman, specializing in explosives.
He is mostly known for installing the explosive device in the Assassination of Róbert Remiáš and in assassinations of numerous organized crime bosses in Slovakia and Hungary.
According to newspaper SME, Rohác had at some point connections to both the Slovak and Hungarian Secret Services.
Despite international search by the Interpol, he managed to evade the law for 9 years.A career criminal for most of his life, in 1984 Rohác was sentenced to 15 years for terrorism under communist Czechoslovakia for kidnapping the Deputy Minister of Health and attempting to take him out of the country.
Later, he became the first prisoner ever to escape from Ilava prison.
Soon re-captured, he became one of the organizers of the 1989 Leopoldov Prison mutiny.
He was released in 1990 because of a wide-ranging amnesty by President Václav Havel.
In April 2011, Rohác was extradited to Hungary, where he faced charges for multiple assassinations: Ferenc Domák, pander in 1996, János Fenyo, media magnate in 1998, and Tamás Boros, maffia boss in 1998.
In the latter crime three bystanders were also killed in the explosion.
In March 2016 the attorney requested lifetime imprisonment for Rohác in a joint trial of his crimes.