After the Christchurch mosque shootings in March 2019, Little told Radio New Zealand, “I have given authority to the agencies to do intrusive activities under warrant, the number of those (warrants) I’m not at liberty to disclose". He said that the intelligence services usually put 30 to 40 people under monitoring at a time. Although more people than usual were being monitored, he was not willing to reveal how many. He also stated that the operations could be anything from physical surveillance to watching telecommunications activity.