Cell phone location accuracy convicted a local douche bag who killed mum on east side of El Paso and dumped body by Rio Grande near Sunland Park NM...his lawyer was claiming cell phone location was suspect because the Franklin's block signals from east and west side. The prosecutor had good RF knowledge himself and brought in experts to show where phone was tracked to disposal site. He and girlfriend were at location for 1/2 hour hiding body... On Jan 21, 2016 7:03 PM, "Chuck McCown" <ch...@wbmfg.com> wrote:
> They were trying to figure out where a person was based on pretty sketchy > data. They knew which cell site and antenna but it could have been off of > a back lobe. The podcast went over this stuff multiple times. Truly ad > nauseam. > > *From:* Cameron Crum <cc...@wispmon.com> > *Sent:* Thursday, January 21, 2016 6:49 PM > *To:* af@afmug.com > *Subject:* Re: [AFMUG] OT TV show review > > Cell tracking didn't have to be that hard. We used to just run an rf call > trace in the switch and it would tell us every cell a person went through, > what time, and the current cell they were on. It was pretty easy to track > their path. Once we got to cdma with rake receivers and the phones talking > to multiple sites at the same time, it became easy to pin-point the > location based on the rx sig at each cell. The first cdma system I did this > on was in Salt Lake on the Cricket network. Some drug dealer they were > trying to find. We got it down to like a 2 block radius and they found him. > > On Thu, Jan 21, 2016 at 7:27 PM, Chuck McCown <ch...@wbmfg.com> wrote: > >> Not sure if I mentioned this or not. Sorry if this is a repeat. I >> binge watched "Making a Murderer" and enjoyed it, err, perhaps enjoyed is >> not the correct word. Was fascinated by it and the horrible way the system >> treats those without resources. Similarly enjoyed the "Serial" podcast >> series. "Undisclosed" not so much. Got terribly tedious when going over >> cell phone tracking technology that was from 20 years ago. >> > >
