I ALTER OUTCOMES.
Digital evidence discovery and expert witness testimony that stand up to cross-examination
Past discovery & expert witness projects have included:
- Federal and state cases
- Criminal and civil cases
- Cryptocurrency
- Domestic violence
- Stalking
In jurisdictions throughout the United States.

Years in cybersecurity and criminal investigations
Expert witness cases
International indictments and convictions
Judgement secured in a single cryptocurrency case
SERVICES
What John Does
CRYPTOCURRENCY INVESTIGATION
Tracing Bitcoin and other digital assets in criminal and civil matters, including asset seizure support.
EXPERT WITNESS TESTIMONY
Court-qualified testimony in cybercrime, hacking, blockchain, and financial crime cases.
DIGITAL FORENSICS
Device examination and evidence extraction for litigation: computers, phones, cloud accounts.
eDISCOVERY & CIVIL LITIGATION SUPPORT
Subpoena strategy, electronic evidence review, and consultation for divorce, fraud, and IP disputes.
CLIENTS
Who Hires John
ATTORNEYS
Civil and criminal litigation support, eDiscovery, deposition prep, and courtroom testimony.
FEDERAL & STATE AGENCIES
Investigative support, intelligence coordination, and expert analysis for law enforcement.
CORPORATIONS
Incident response, insider threat investigation, and ransomware case support.
CONTACT JOHN
Bambenek Consulting
601 E Main #204
Mahomet IL 61853
217.493.0760