Technical experts from the telecommunication companies, Flow and Digicel also took to the witness stand. An expert witness from the Communication Forensic and Cybercrime Division presented call records to show that communication happened between several numbers that are linked to witnesses and alleged suspects in the trial.
Using sim information. witness statements, subscriber information, and an electronic file relating to three phones were generated. The file is a master list of call records provided by the two telecommunication companies. It shows who made and received the call, as well as when and where the calls were made. Call records are generated as a result of user activity. When you turn your mobile phone on, it automatically connects your phone and sim card to the nearest cell tower, giving you access to the network.
When it does that, it sends two numbers, one identifying the sim card and the other identifying the phone (the IMEI number), to the network. That process is called triangulation. So, when Crocs called crown witness 1 on January 25 in 2019 at 10:23 pm, it showed that Crocs was in Spanish Town.
On March 10 when the witness called one of his contacts called ‘Mum’ after 12 noon, the call site was recorded as Yallahs, St Thomas. Mum could be defendant Stephanie ‘Mumma’ Christie, whose occupation was as a Pastor in the same parish. Telecommunication witnesses from Flow and Digicel took the stand to explain their call data collection process during Wednesday’s proceedings. This led to the submission of a thumb drive and CD into evidence.
Following a subpoena in December, call records from Digicel were given to the prosecution. The company hired an independent risk and fraud consultant to access and compile information from their database. Flow’s call records were accessed by a law enforcement liaison who processes call data requests from police on a daily basis. Further analysis of the call records continues in court on Thursday.
Reporter: Jhanielle Powell
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