Not exact matches
The problem that I have with a
pen register to justify use of something
like a stingray is that the standard for a
pen register is much too low, given the invasive nature of a
pen register.
Federal law enforcement agencies typically get courts to approve use of something
like stingray through a
pen register application [a
pen register is a device that records the numbers called from a particular phone line].
A recent article on The Intercept on Apple's «iMessage FAQ for Law Enforcement» included an example of what is contained in Apple's
pen register for messages sent with iMessage — which is also a good example of what meta data can look
like.
Apple's
pen register for messages sent with iMessage is also a good example of what meta data can look
like.