LizardQueen74
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Does anyone understand cell phone pings? Can it still ping with low or no battery? How often does a phone ping? Will it ping at every tower? And if EA was the manager of a cell phone store, shouldn't he have known this? Could he have stopped the pings by removing the battery? So were the pings deliberate or maybe he couldnt find Christina's phone and discovered it after the last ping. I am sure LE checked all the party goers to see where their phones were pinging that morning.
The cell phone doesn't have to be in use to make a call or text for it to ping a tower. It's like going from 1 wi-fi connection to another as you move geographically. I found this to help explain: a cell phone the phone is constantly sending signals to the closest cell tower, even if the phone isn't in use. The location of the cell tower will tell you that the person is within a certain range. When the person moves they can be tracked by which cell towers the signal is bouncing to.
Addt'l Edit: The phone has to be on. Remember the Jodi Arias case - she turned off her phone while she made her way into AZ from CA and it "conveniently" had a gap of cell phone pings. So, if no battery then no ping either.