When these small points of data are viewed together, you really can create a history of an individuals travels and activities over time. Increasingly, detectives try to assemble such information about victims and suspects in the most serious criminal cases, such as homicides. It has been a relatively recent, but dramatic addition to the investigators arsenal. In a presentation I did a couple years ago at Ignite Lincoln, I titled this new reality as "Nowhere to Hide." I am certain that we are on the verge of some real hand-wringing and soul searching about the loss of personal privacy that attends the explosion in technology that tracks our daily lives.
I read an interesting article on the state of the law of arrest search and seizure as it pertains to such data last week in the current issue of the Police Chief magazine. I recommend it to my law enforcement audience: