Footnotes:
[1] What is a Stingray and why should I care? Source: OpenMedia.
[2] The Secret Surveillance Catalogue. Source: The Intercept.
[3], [11] Stingray Tracking Devices: Who's Got Them? Source: ACLU.
[4] Spyware for sale: Hacking Team leaks show Australian companies scrambling to cash in on Government surveillance contracts. Source: ABC.
[5] RCMP fight to keep lid on high-tech investigation tool. Source: Globe and Mail.
[6] Vancouver police refuse to disclose use of covert cell spy tech. Source: Global News.
[7] New York Police Have Used Stingrays Widely, New Documents Show. Source: The Intercept.
[8] Police secretly track cellphones to solve routine crimes. Source: USA Today.
[9] France Has a Powerful and Controversial New Surveillance Law. Source: Recode.net.
[10] Behind the curve: When will the UK stop pretending IMSI catchers don't exist? Source: Privacy International.
[12] No, Turning On Your Phone Is Not Consenting to Being Tracked by Police. Source: The Intercept.