 He has also managed to finish modernization of the Fire and Rescue Service.While Kaliňák was holding the post of Minister of Interior, he faced several criticisms from the side of opposition regarding his purchase of shares from shareholder, who was later investigated for tax fraud.Kaliňák resigned as an interior minister as well as the PM deputy on the 22nd March 2018 after the murder of an investigative reporter Ján Kuciak.