https://theintercept.com/2016/10/18/how-chicago-police-convinced-courts-to-let-them-track-cellphones-without-a-warrant/ https://theintercept.com/2016/10/18/how-

https://theintercept.com/2016/10/18/how-chicago-police-convinced-courts-to-let-them-track-cellphones-without-a-warrant/ https://theintercept.com/2016/10/18/how-chicago-police-convi... The officer requested use of a “digital analyzer” to locate the new burner phones at “any time of the day or night … without geographical limitation in the State of Illinois.” The request was approved. I recall similar things happened in New York Perhaps 'a very large use case' was too strong a phrasing though.