VIPER – West Midlands ZEPHYR – South West Regional organised crime units bring together a number of specialised teams and functions under the one structure: Regional Investigation Unit Regional Asset Recovery Unit Regional Intelligence Unit Regional Protected Persons Unit Regional Technical Surveillance Unit Regional cyber capability Regional Fraud Unit Regional Prison Intelligence Regional covert capability Notable operations On 22 May 2014 at around 22:50, NCA officers were involved in a shootout in Tottenham. Several shots were fired, including from NCA officers. Two men were arrested at the scene by the NCA for attempted murder and possession of a firearm with intent to endanger life. The Metropolitan Police arrived and arrested a third man for possession of a firearm. This is believed to be the first incident in which NCA officers fired shots. On 25 May 2014 at 00:00 hrs, a second NCA operation was carried out in Tottenham, along with officers from the Metropolitan Police, after the NCA received intelligence about the earlier shoot out. Two more men were arrested, one for attempted murder and possession of a firearm with intent to endanger life and the other for assisting an offender, after their car was stopped by armed officers. One shot was fired by a Metropolitan Police officer during the operation. In May 2014 the NCA conducted a major operation that resulted in the seizing of more than 100 kg of cocaine from a Greek bulk freighter in Scotland. The ship had been returning from Colombia; the operation resulted in the arrest of three men. In July 2014 the NCA with partners jointly disrupted the "Shylock" banking trojan believed to have infected at least 30,000 computers. Also in July 2014 the NCA co-ordinated the arrest of 660 suspected paedophiles. 39 of those arrested were registered sex offenders, but the majority had not previously come to the attention of law enforcement. 400 children are believed to have been protected by this operation, which included apprehending several individuals who had unsupervised access to children such as doctors, teachers and care workers. In November 2016, the NCA began a campaign, including releasing a video, to educate the public on sextortion, providing advice on protecting oneself from being subject to sextortion and how to respond to a case of online blackmail. On 2 July 2020, the NCA reported it had co-ordinated the largest law enforcement operation of its kind in the UK when it