Video: New Zealand Prime Minister Jacinda Ardern on March 21 announced plans to ban military-style semiautomatic weapons and assault rifles following the Christchurch attacks. (Drea Cornejo/The Washington Post)
Brenton Tarrant, the white supremacist suspected of killing at least 50 people last week in two New Zealand mosques, saw his murderous rampage as part of a morbid historical fantasy.
On his drive into the city of Christchurch, he listened to a nationalist Serb song that glorified Radovan Karadzic, the Bosnian Serb political leader jailed on genocide charges and war crimes for his role in atrocities against Bosnian Muslims in the 1990s.