A deadly terror attack in Christchurch has sent shockwaves across the world. At least 49 people have died and over 20 were injured in the attack. The main suspect behind the terror attack appears to be a 28-year old Australian-born man, Brenton Tarrant. The gunman livedstream the attack on Facebook and went on a shooting spree inside the Al Noor Mosque in Christchurch where a large number of worshippers had gathered for Friday sermon. But who was he and what could have motivated him to carry out New Zealand’s worst mass shooting?