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Ben Levitan on Talk Forensics

Discussion of forensic issues related to all types of mobile phones and underlying technologies (GSM, GPRS, UMTS/3G, HSDPA, LTE, Bluetooth etc.)
Subforums: Mobile Telephone Case Law
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jamie
Site Admin
 

Ben Levitan on Talk Forensics

Post Posted: Apr 17, 09 00:57

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
_________________
Jamie Morris
Forensic Focus
Web: www.forensicfocus.com
Twitter: twitter.com/ForensicFocus
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trewmte
Senior Member
 

Re: Ben Levitan on Talk Forensics

Post Posted: Apr 17, 09 16:47

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.
_________________
Institute for Digital Forensics (IDF) - www.linkedin.com/groups/2436720
Mobile Telephone Examination Board (MTEB) - www.linkedin.com/groups/141739
Universal Network Investigations - www.linkedin.com/groups/13536130
Mobile Telephone Evidence & Forensics trewmte.blogspot.com 
 
  

bigjon
Senior Member
 

Re: Ben Levitan on Talk Forensics

Post Posted: Apr 17, 09 23:31

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  
 
  

trewmte
Senior Member
 

Re: Ben Levitan on Talk Forensics

Post Posted: Apr 18, 09 02:38

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.

- bigjon
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.

- bigjon
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.
_________________
Institute for Digital Forensics (IDF) - www.linkedin.com/groups/2436720
Mobile Telephone Examination Board (MTEB) - www.linkedin.com/groups/141739
Universal Network Investigations - www.linkedin.com/groups/13536130
Mobile Telephone Evidence & Forensics trewmte.blogspot.com 
 
  

jamie
Site Admin
 

Re: Ben Levitan on Talk Forensics

Post Posted: Apr 18, 09 05:14

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
_________________
Jamie Morris
Forensic Focus
Web: www.forensicfocus.com
Twitter: twitter.com/ForensicFocus
Facebook: www.facebook.com/forensicfocus 
 
  

LarryDaniel
Senior Member
 

Re: Ben Levitan on Talk Forensics

Post Posted: Apr 18, 09 19:17

Ben is a great guy and really knows his stuff. It is hard for it to come through in a general audience forensic show.
_________________
Larry E. Daniel
DFCP, EnCE, BCE, ACE, AME, CTNS , CTA, CWA
Guardian Digital Forensics
"An Envista Forensics Company" 
 
  

bigjon
Senior Member
 

Re: Ben Levitan on Talk Forensics

Post Posted: Apr 18, 09 19:49

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  
 

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