A general view of a Tethered Aerostat Radar System (TARS) aerostat balloon, an unmanned airborne ground surveillance system used by U.S. Customs and Border Protection (CBP) to surveil potential illegal immigration and narcotics smuggling, near Marfa, Texas, U.S., March 16, 2023. REUTERS/Bing Guan 

A temporary control room set up by Boeing and its partners to showcase an Arctic surveillance system using remote sensing from satellites and unmanned vehicles, at Odense airport, Denmark September 7, 2022. REUTERS/Jacob Gronholt-Pedersen 

Boeing's Integrator long-endurance unmanned aircraft is showcased as part of an Arctic surveillance system offered to NATO allies, at Odense airport, Denmark September 6, 2022. REUTERS/Jacob Gronholt-Pedersen REFILE - CORRECTING DATE 

Boeing's Integrator long-endurance unmanned aircraft is showcased as part of an Arctic surveillance system offered to NATO allies, at Odense airport, Denmark September 6, 2022. REUTERS/Jacob Gronholt-Pedersen REFILE - CORRECTING DATE 

An aerostat balloon system of the European Union's border agency FRONTEX, equipped with high tech surveillance cameras, flies over the airport of Alexandroupolis, Greece, August 10, 2021. Picture taken August 10, 2021. REUTERS/Alexandros Avramidis 

A staff member of European Union's border agency FRONTEX operates an aerostat balloon system equipped with high tech surveillance cameras, in Alexandroupolis, Greece, August 10, 2021. Picture taken August 10, 2021. REUTERS/Alexandros Avramidis 

An aerostat balloon system of the European Union's border agency FRONTEX, equipped with high tech surveillance cameras, is seen at the airport of Alexandroupolis, Greece, July 28, 2021. Picture taken July 28, 2021. REUTERS/Alexandros Avramidis 

A worker installs a video surveillance system to keep an eye on nearby Israeli settlers who Palestinians accuse of frequent attacks, in the village of Kisan in the Israeli-occupied West Bank October 6, 2020. Picture taken October 6, 2020. REUTERS/Mussa Qawasma 

A worker installs a video surveillance system to keep an eye on nearby Israeli settlers who Palestinians accuse of frequent attacks, in the village of Kisan in the Israeli-occupied West Bank October 6, 2020. Picture taken October 6, 2020. REUTERS/Mussa Qawasma 

Workers install a video surveillance system to keep an eye on nearby Israeli settlers who Palestinians accuse of frequent attacks, in the village of Kisan in the Israeli-occupied West Bank October 6, 2020. Picture taken October 6, 2020. REUTERS/Mussa Qawasma 

Workers arrive to install a video surveillance system to keep an eye on nearby Israeli settlers who Palestinians accuse of frequent attacks, in the village of Kisan in the Israeli-occupied West Bank October 6, 2020. Picture taken October 6, 2020. REUTERS/Mussa Qawasma 

Surveillance cameras are seen on a model of a city road at a booth during Huawei Connect in Shanghai, China, September 23, 2020. REUTERS/Aly Song 

Employees of Kando, a wastewater management technology firm, demonstrate a project of sewer surveillance which they say aims to pinpoint unknown outbreaks of coronavirus disease (COVID-19) by identifying traces of the virus in the sewage system, in Ashkelon, southern Israel July 30, 2020. REUTERS/Amir Cohen? 

Employees of Kando, a wastewater management technology firm, demonstrate a project of sewer surveillance which they say aims to pinpoint unknown outbreaks of coronavirus disease (COVID-19) by identifying traces of the virus in the sewage system, in Ashkelon, southern Israel July 30, 2020. REUTERS/Amir Cohen? 

An employee of Kando, a wastewater management technology firm, demonstrates a project of sewer surveillance which they say aims to pinpoint unknown outbreaks of coronavirus disease (COVID-19) by identifying traces of the virus in the sewage system, in Ashkelon, southern Israel July 30, 2020. REUTERS/Amir Cohen 

Employees of Kando, a wastewater management technology firm, demonstrate a project of sewer surveillance which they say aims to pinpoint unknown outbreaks of coronavirus disease (COVID-19) by identifying traces of the virus in the sewage system, in Ashkelon, southern Israel July 30, 2020. REUTERS/Amir Cohen 

An operator of the Swiss Army surveils the sky around Geneva during the presentation of the defence system ahead of the Refugees Forum at the United Nations, near Lake Geneva, Switzerland, December 16, 2019. REUTERS/Denis Balibouse 

A surveillance helicopter flies behind a cannon 63/12 of the Swiss Army during the presentation of the defence system ahead of the Refugees Forum at the United Nations, near Lake Geneva, Switzerland, December 16, 2019. REUTERS/Denis Balibouse 

A man is reflected on surveillance cameras at the annual Huawei Connect event in Shanghai, China September 18, 2019. REUTERS/Aly Song TPX IMAGES OF THE DAY 

People look at surveillance cameras at the annual Huawei Connect event in Shanghai, China September 18, 2019. REUTERS/Aly Song 

A man looks at surveillance cameras at the annual Huawei Connect event in Shanghai, China September 18, 2019. REUTERS/Aly Song 

A man looks at surveillance cameras at the annual Huawei Connect event in Shanghai, China September 18, 2019. REUTERS/Aly Song 

Motorcycle taxis and traffic is seen under the surveillance closed-circuit television camera (CCTV) system along Bakuli street in Kampala, Uganda August 14, 2019. REUTERS/James Akrena 

Traffic flows under the surveillance closed-circuit television camera (CCTV) system along Bakuli street in Kampala, Uganda August 14, 2019. REUTERS/James Akrena 

Traffic flows under the surveillance closed-circuit television camera (CCTV) system along Hoima road in Kampala, Uganda August 14, 2019. REUTERS/James Akrena 

Traffic flows under the surveillance closed-circuit television camera (CCTV) system along Hoima road in Kampala, Uganda August 14, 2019. REUTERS/James Akrena 

A surveillance camera is seen in the Kings Cross area in London, Britain, August 14, 2019. REUTERS/Hannah McKay 

A surveillance camera is seen in the Kings Cross area in London, Britain, August 14, 2019. REUTERS/Hannah McKay 

A surveillance camera is seen in the Kings Cross area in London, Britain, August 14, 2019. REUTERS/Hannah McKay 

People look at surveillance cameras displayed at Huawei's booth at the security exhibition in Shanghai, China, May 24, 2019. REUTERS/Aly Song 

A man takes a picture of surveillance cameras displayed at Huawei's booth at the security exhibition in Shanghai, China, May 24, 2019. REUTERS/Aly Song 

A man wearing a T-shirt with the word "America" on it looks at surveillance cameras displayed at Huawei's booth at the security exhibition in Shanghai, China May 24, 2019. REUTERS/Aly Song 

A man wears a t-shirt with the wording "America" as he looks at surveillance cameras displayed at Huawei's booth at the security exhibition in Shanghai, China May 24, 2019. REUTERS/Aly Song 

A man wears a t-shirt with the wording "America" as he looks at surveillance cameras displayed at Huawei's booth at the security exhibition in Shanghai, China May 24, 2019. REUTERS/Aly Song 

A man looks at surveillance cameras displayed at Huawei's booth at the security exhibition in Shanghai, China, May 24, 2019. REUTERS/Aly Song 

A man looks at surveillance cameras displayed at Huawei's booth at the security exhibition in Shanghai, China, May 24, 2019. REUTERS/Aly Song 

Huawei surveillance cameras are seen displayed at the security exhibition in Shanghai, China, May 24, 2019. REUTERS/Aly Song 

Surveillance cameras are seen inside the Huawei's Ox Horn campus at Songshan Lake in Dongguan, Guangdong province, China March 25, 2019. Picture taken March 25, 2019. REUTERS/Tyrone Siu 

Surveillance cameras are seen in front of Huawei logo outside its factory campus in Dongguan, Guangdong province, China March 25, 2019. Picture taken March 25, 2019. REUTERS/Tyrone Siu 

A surveillance camera is seen in front of Huawei logo outside its factory campus in Dongguan, Guangdong province, China March 25, 2019. Picture taken March 25, 2019. REUTERS/Tyrone Siu 

Surveillance cameras are seen at Lujiazui financial district in Pudong, Shanghai, China March 14, 2019. REUTERS/Aly Song 

Surveillance cameras are seen next to a Huawei company logo outside a shopping mall in Shanghai, China March 7, 2019. REUTERS/Aly Song 

The control center of the External Surveillance Integrated System (SIVE) is seen at the headquarters of the Spanish Civil Guard in Algeciras, southern Spain August 8, 2018. REUTERS/Jon Nazca 

Manuel Fuentes, second lieutenant of Spanish Civil Guard and chief of the External Surveillance Integrated System (SIVE), checks the maritime traffic of the Strait of Gibraltar, at the headquarters of Spanish Civil Guard in Algeciras, southern Spain August 8, 2018. REUTERS/Jon Nazca 

Manuel Fuentes, second lieutenant of Spanish Civil Guard and chief of the External Surveillance Integrated System (SIVE), checks the maritime traffic of the Strait of Gibraltar, at the headquarters of Spanish Civil Guard in Algeciras, southern Spain August 8, 2018. REUTERS/Jon Nazca 

Two cameras are seen attached to a tree in Port-au-Prince, Haiti, May 30, 2018. REUTERS/Andres Martinez Casares 

A camera is seen attached to a pole in a street of Port-au-Prince, Haiti, May 30, 2018. REUTERS/Andres Martinez Casares 

A biometric access control panel is seen at the Chilean congress in Valparaiso, Chile May 30, 2018. REUTERS/Rodrigo Garrido 

A surveillance camera is seen near the parliament in Vienna, Austria, May 30, 2018. REUTERS/Heinz-Peter Bader 

A surveillance camera is seen near the parliament in Vienna, Austria, May 30, 2018. REUTERS/Heinz-Peter Bader 

A screen is seen in the video surveillance control room of the Escudo Tecla system in Santa Tecla, El Salvador May 29, 2018. REUTERS/Jose Cabezas 

A operator watches screens in the video surveillance control room of the Escudo Tecla system in Santa Tecla, El Salvador May 29, 2018. REUTERS/Jose Cabezas 

A screen is seen in the video surveillance control room of the Escudo Tecla system in Santa Tecla, El Salvador May 29, 2018. REUTERS /Jose Cabezas 

A operator watches screens in the video surveillance control room of the Escudo Tecla system in Santa Tecla, El Salvador May 29, 2018. REUTERS /Jose Cabezas 

An operator watches screens in the video surveillance control room of the Escudo Tecla system in Santa Tecla, El Salvador May 29, 2018. REUTERS/Jose Cabezas 

A surveillance camera (CCTV) is seen at downtown Santa Tecla, El Salvador May 29, 2018. REUTERS/Jose Cabezas 

A surveillance camera (CCTV) is seen in downtown Santa Tecla, El Salvador May 29, 2018. REUTERS/Jose Cabezas 

A surveillance camera (CCTV) is seen in downtown Santa Tecla, El Salvador May 29, 2018. REUTERS/Jose Cabezas 

A surveillance camera (CCTV) is seen in downtown Santa Tecla, El Salvador May 29, 2018. REUTERS/Jose Cabezas 

A surveillance camera (CCTV) is pictured outside the Swiss Federal Court (Bundesgericht) in Lausanne, Switzerland May 28, 2018. REUTERS/Denis Balibouse