From the NYCLU, yesterday:
The New York Civil Liberties Union released today records it received from the Erie County Sheriff’s Office on its use of ”stingrays,” devices that can track and record New Yorkers’ locations via their cell phones. The records showed that of the 47 times the Sheriff’s Office used stingrays in the past four years, it apparently only once obtained a court order, contradicting the sheriff’s own remarks.
Read more on NYCLU.
Thanks to Joe Cadillic for the pointer to Wired, which linked to this.