Looks like the terrorist acted alone

The Herald reports:

While four people were arrested in relation to Christchurch’s mosque massacres, only one man, Brenton Tarrant, has been charged with murder.
What happened to the other three? And why were they suspects?
One woman and two other men were also arrested and held in custody in relation to the attacks.
The woman has been released without charge. The man who was in a vehicle with the woman has been charged with firearms offences and will appear in the Christchurch District Court on Monday.

An 18-year-old man, who was not connected to the couple, will also appear in Christchurch District Court on Monday for possessing a firearm.
Police say they do not believe either men were involved in the attacks.

It’s a bit too early to be certain, but it does look like this was an attack planned and staged by one man – a foreigner. This is no comfort to those mourning dead families and friends, but if no New Zealanders were involved in this attack, that is a small relief.

Of course there will no doubt be a Commission of Inquiry which will look at wider issues such as how he did this, and who assisted him either knowingly or unknowingly.