On 25 March 2019 Sellner 's apartment was searched by the Austrian police . His computer , mobile phone , all data storage devices and cash cards were confiscated on suspicion that he was a member of a terrorist organization ; early in 2018 he had received a donation of $ 1,500 from Brenton Harrison Tarrant , the Australia-born suspect in the Christchurch mosque shootings in Christchurch , New Zealand . Sellner denied any involvement in the attacks
Christchurch mosque shootings
Christchurch mosque shootings
Martin Sellner