Case Studies
We have worked with the U.S. Marshals, FBI, USSS, DHS, numerous European, African and Asian cybercrime police agencies, Australian State and Federal police and many private security, and corporate intelligence organizations.
06/11/2025
Case Study: Recovery of Over $670,000 in Bitcoin Stolen in Sophisticated Crypto Scam
Crypto scam recovery: Over $670,000 BTC and the Arrest of Two Nigerian Scammers Background: In 2021, our client Paul, an investor from the United States, fell victim to a highly sophisticated crypto scam that resulted in the loss of nearly 10 Bitcoin (BTC). In the beginning, Paul invested small amounts into a trading platform that seemed legitimate, but turned out to be a fake trading
26/09/2025
European Internet Smear Campaign Extortion Racket
Case Study: Organized Crime EUROPEAN INTERNET SMEAR CAMPAIGN EXTORTION RACKET Rexxfield founder Michael Roberts explains In these 2 1/2 min. video a seven month digital and social forensics investigation that uncovered a massive organized crime racket that targeted wealthy European entrepreneurs with threats of Internet smear campaigns if they did not submit to the criminals extortion demands.
26/09/2025
Kay Wilson Israel Tour Guide – Attempted Murder & Internet Smear Campaign
Case Study: Kay Wilson – Survived Attempted Murder Then Terrorized by Internet Smear Campaign Kay Wilson Tour Guide In Israel’s Testimony About Rexxfield’s Work —Begin Kay Wilson’s Testimony— In 2010, I was the victim of a brutal terror attack. My friend was butchered to death and I myself sustained 13 machete stab wounds and numerous broken bones. I was not only a terror victim, I
10/09/2025
Tracing a phone number back to a person
Brief Our client was subjected to disturbing anonymous text messages for more than one year. She needed help tracing a phone number. The messages were harassing, degrading, belittling, and meant to cause hurt and anguish. She needed proof to bring this person to court and get justice. She suspected her husband-at-the-time to be responsible for the anonymous messages. The Objective Our primary objective was: tracing
10/09/2025
Teen Sextortion Victim on Social Media – Case Study
2022: Teen Sextortion Case Study – How We Located the Person Sexually Extorting a Teenager on Instagram The Brief We were contacted by a worried father, whose teenage daughter was the victim of sextortion on social media. She developed an online relationship with someone on Snapchat, who she believed to be of the same age. After a while, the sextortionist demanded pictures from her and gave
10/09/2025
SCOOP David Jones Dept. Store Stock Manipulation
Investigative Journalism Support Services Get the scoop with Rexxfield’s 1st Response Journalistic Support (Internet Forensics) Rexxfield’s efficacy in obtaining crucial information for breaking stories with unprecedented timing is already a matter of record. Don’t wait for the breaking story, establish your 1st response relationship with Rexxfield today. “He is an absolute secret weapon for any serious reporter.“ The new media (the Internet) has in some way
10/09/2025
State Police Service, Fraud and Corporate Crime Group (Computer Crime Investigation Unit)
The Brief — A threat was made against an Australian state police service that included an attack against its online resources and the publishing of serving member database information. This threat, if carried out, would have cost untold tens, if nothundreds of thousands of dollars; as well as severely compromising reputation,confidentiality, safety and operational efficacy of active members.Rexxfield’s brief was to use the limited intelligence the Police
08/12/2023
Two Women Falsely Accused of Sending Threats by Text
Case Study: Two Falsely Accused Women Proven to Be Innocent In a recent triumph for justice, our team successfully secured the release of two women who were unjustly accused of sending threats via text messages. Two unrelated clients were falsely accused of sending threatening text messages. As seen with more cases, these were no different: our investigation led to finding out that it was the
10/10/2023
Identifying Anonymous Bad Actors on the Internet to Avoid John Doe Lawsuits
In the digital age, the anonymity afforded by the internet has given rise to a multitude of online crimes, including defamation, harassment, and cyber scams. These acts can have devastating effects on individuals and businesses alike. The challenge lies in identifying the anonymous perpetrators and holding them accountable for their actions. That’s where our team at Rexxfield Cyber Investigation Services comes in. Identify Anonymous Bad
02/09/2022
Unmasking Romance Scammers – Case Study
2021 – Unmasking romance scammers. Large romance scam uncovered and located – collaboration with FBI. The Brief Our client was scammed of USD $500,000.00 of his life savings by way of a romance scam. This was a big scam network with people involved in both the USA and Ghana. The criminals used several fake personas, email addresses, and phone numbers. Objective We specialize in unmasking
02/09/2022
ProtonMail Blackmailer Exposed
Case Study – how we exposed the identity of a ProtonMail blackmailer The Brief: For months, our client received extorting messages from fake email addresses and spoofed phone numbers. The Protonmail blackmailer antagonist also contacted her husband and family members with provocative pictures of her and threatened to expose more compromising information if she did not heed his demands. The client had a strong suspicion
05/02/2022
SUCCESS: Bitcoin Scam Victim Lost USD323,000.00
Freeze and Seize of BTC Wallets by Canadian & US Law Enforcement in Sophisticated Financial Scam Some information has been redacted so as not to jeopardise and ongoing investigation. The brief: The victim “Paul”, was tricked into believing his initial, small investments were returning massive gains. The scammers used sophisticated, make-believe trading platform which was almost indistinguishable from legitimate trading platforms, except to expert forensics
21/12/2018
Innocent Man Released From Jail.
Rexxfield’s cyber investigators proved the innocence of imprisoned man. This was a pro bono case. The BriefA man from North Carolina was taken into custody for allegedly sending electronic death threats to his estranged wife. The personal cost was the loss of his freedom through imprisonment, loss of child custody, assets, income and reputation. The OutcomeOur cyber investigation team was able
21/12/2018
Diplomat Espionage Threat Eliminated.
The Brief A diplomat from a Commonwealth nation lost control of some intimate images. It was suspected that her ex-partner, working for the nation’s defense intelligence community, began publishing photos anonymously on gossip and other file sharing websites. The risks of allowing the threat to continue involved the personal cost of reputation damage, loss of employment and possibly compromising national security if the diplomat threat
28/08/2013
Rexxfield Located Murder Fugitive Dinkue Brown after 2 Months on the Run – Three Arrests
U.S. MARSHALS & Rexxfield: Murder Fugitive Captured in Just 73 Minutes After Two-Month Manhunt August 26, 2013 In a dramatic turn of events, a joint task force comprised of U.S. Marshals and the Maryland State Police successfully apprehended Dinkue Brown, a 27-year-old murder suspect, just 73 minutes after receiving crucial intelligence. Brown had been on the run since June 21, 2013, in connection with the
10/09/2025
Successful 670,000 USD Stolen Crypto Recovery from Nigerian Scammers
Our client had fallen victim to a cryptocurrency scam. Our investigation led to the arrest of two Nigerian scammers and the recovery of his bitcoins, valued at approximately 670,000 USD at the time of the recovery, which were successfully returned to the client by the Utah government.
10/09/2025
Large Romance Scam Uncovered and Located
How we identified a large romance scam network through social engineering and our proprietary software and collaborated with the FBI to locate the scammers.
10/09/2025
SUCCESS after Bitcoin Scam Victim Lost USD323,000.00
Freeze and Seize of BTC Wallets by Canadian & US Law Enforcement in Sophisticated Financial Scam through a make-believe trading platform.
10/09/2025
U.S. MARSHALS: Apprehension of Murder Fugitive in just 73 mins after a two-month manhunt.
Our team supported a joint task force of U.S. Marshals and the Maryland State Police Force in the 2-month manhunt for a fugitive, who had been on the run in association with the homicide of a 26-year-old man, on June 21, 2013.
10/09/2025
Two Women Falsely Accused of Sending Threatening Texts
In both cases, our investigation brought to light a malicious plot where the accusers had fabricated threatening text messages, sent them to themselves, pretending to be our clients, in order to frame them.
10/09/2025
SCOOP David Jones Dept. Store Stock Manipulation
Investigative Journalism Support Services Get the scoop with Rexxfield’s 1st Response Journalistic Support (Internet Forensics) Rexxfield’s efficacy in obtaining crucial information for breaking stories with unprecedented timing is already a matter of record. Don’t wait for the breaking story, establish your 1st response relationship with Rexxfield today. “He is an absolute secret weapon for any serious
Rexxfield Founder Michael Roberts Explains the Need for Public/Private Crime Fighting Cooperation.
