Per the article Perkins was able to defraud a bank, credit card company, and hundreds of individualcredit card holder out of millions over the span of almost 2 years. In my opinion I believe one of thebiggest key sources of digital data that provided solid admissible evidence was the financial data theundercover agent gave him in return for counterfeit credit cards. Other digital data source is the accountnumbers he (Perkins) received from the source Ukraine and the computer/laptop device used to setuponline transfers.The data was obtained by following protocol and the cyber forensics investigation process. If a warrant isnecessary CFS will assist with listing items on the warrant. Chain of custody must be immediatelyestablished with objects being tagged and bagged. Per the reading collection of evidence is predicatedon dealing with expectation of privacy, the right tools, and a proper extraction of potential evidence(Singleton & Singleton, 2011)