Australian Brenton Tarrant sat in Christchurch High Court and heard emotional impact statements from the relatives of the 51 people he killed in attacks on two mosques last year.
A threatening image appeared on Telegram prior to the anniversary of shootings which left 51 people dead.
There have been 83 verified executions in New Zealand since 1842.
U.S. social media users have deployed hashtags such as #NRA to criticize changes in New Zealand gun laws, analysis finds.
He left the bacon, which is forbidden in Islam, around the door of the mosque.
The mosque president said he thought it was intended to provoke but CAIR says it may offer a 'teaching moment.'
There were several isolated incidents of violence last night, but no injuries were reported.