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Ben Levitan on Talk Forensics

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Jamie
(@jamie)
Posts: 1288
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I just wanted to highly recommend this episode of Larry's Talk Forensics podcast where Ben Levitan is interviewed. Here's the show description

Ben Levitan is one of the most sought after legal expert witnesses in multiple telephone and data technological areas. A proven authority, Levitan’s career has spanned more than 25 years in the field of cellular communication and includes 27 patents in cellular technology innovations. Levitan is an extraordinary asset to attorneys seeking case assistance in the fields of wireless, cellular, PCS and telephony. He is certified as a testifying expert in Federal and State courts.

Ben does a great job of explaining the background behind mobile technology standards and gives a fascinating insight into real-world mobile forensics. If you're interested in the mobile side of the industry but don't have that much experience I think this is well worth listening to.

Jamie

 
Posted : 17/04/2009 12:57 am
(@trewmte)
Posts: 1877
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Interesting discussion of US centric mobile phone evidence. I would be interested to see what the expert from the other side thought about some of the conclusions being drawn.

 
Posted : 17/04/2009 4:47 pm
bigjon
(@bigjon)
Posts: 159
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colea act sounds very useful, do we have such an act over here? also the gps tag in every phone for locating victims etc 50 metres then down to a metre…surely a nok 1208 and the like dont have this do they,do we still rely on triangulation

 
Posted : 17/04/2009 11:31 pm
(@trewmte)
Posts: 1877
Noble Member
 

The guest speaker has a broad knowledge of mobile communications and experience and I did wonder whether he was merely balancing his responses to simplify them for the listener. Its not always clear what hides behind some remarks.

also the gps tag in every phone for locating victims etc 50 metres then down to a metre…surely a nok 1208 and the like dont have this do they

I agree with you bigjon and one reason why I would be interested to see what the expert on other the side reported.

do we still rely on triangulation

Yes triangulation is still used.

Ben did say that where the call is 911 and the handset is GPS chipset enabled then accuracy is much better. However, I was in Chicago last year and my handset (roaming) has no GPS chipset, so if the US doesn't use triangulation 911 would have got sweet FA from my phone.

I would also like to have it confirmed that in the US they only use three sectored cell site arrangements (North South East and South West). What about other sectorized variations (4, 6 etc) and omni-directional cells? How on earth do they cope using only three sector cell sites with dense urban building array and probability density function at middle layer?

I did find his discussion interesting, so I hope the poor chap doesn't think we are sniping at his comments; just would like to learn more of what they do on the other side of the pond.

 
Posted : 18/04/2009 2:38 am
Jamie
(@jamie)
Posts: 1288
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Ben's kindly agreed to be interviewed and I'll be very happy to put some of these questions to him - perhaps we could draw up a shortlist?

Jamie

 
Posted : 18/04/2009 5:14 am
(@larrydaniel)
Posts: 229
Reputable Member
 

Ben is a great guy and really knows his stuff. It is hard for it to come through in a general audience forensic show.

 
Posted : 18/04/2009 7:17 pm
bigjon
(@bigjon)
Posts: 159
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I HAVE A COUPLE IF THATS OK, NEED TO KNOW IF THE FOLLOWING IS AVAILABLE TO US
LAST TEN CALLS ON SIM -WHAT CELL TOWERS THEY USED AND WERE THEY MOVING OR STOOD STILL?
ISTEAD OF JUST GETTING CALL RECORDS CAN WE ALSO GET THE CALL DETAIL RECORDS THAT BEN GETS
LASTLY (SORRY THREE QUESTIONS) DO ALL HANDSETS SEND THIS SIGNAL JUST AS THEY ARE ABOUT TO DIE

 
Posted : 18/04/2009 7:49 pm
Jamie
(@jamie)
Posts: 1288
Moderator
 

No need to SHOUT! 😉

I think it's probably best to keep questions fairly broad rather than too specific in the context of an interview but I'll see what I can work in. If anyone has anything else please post it here.

Jamie

 
Posted : 18/04/2009 8:40 pm
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