Practice Areas

Federal criminal defense — all practice areas.

Former U.S. Federal Prosecutor John D. Kirby. 25+ years defending federal cases in California and Arizona. Each practice area links to a dedicated resource site with in-depth analysis of federal statutes, defense strategies, and sentencing guidelines.

15Practice Areas
25+Years Experience
NationwideFederal Coverage
Federal courthouse

All Federal Practice Areas

Each practice area is supported by a dedicated resource site with statute analysis, defense strategy, and current enforcement trends.

Tax Evasion Defense

26 USC 7201 — willfulness, affirmative acts, tax deficiency challenges, IRS-CI investigations.

26 USC 7201

RICO Defense

18 USC 1961-1968 — enterprise element, pattern of racketeering, forfeiture defense.

18 USC 1961-1968

Money Laundering Defense

18 USC 1956 — SUA requirement, knowledge of criminal origin, transaction vs. spending.

18 USC 1956

Public Corruption Defense

18 USC 201, 666 — official act requirement, quid pro quo, honest services limits.

18 USC 201 / 666

Antitrust Defense

Sherman Act — per se vs. rule of reason, leniency program, economic expert defense.

Sherman Act

Crypto Fraud Defense

Digital asset prosecutions — security vs. commodity, unlicensed money transmission, blockchain forensics.

Digital Asset Defense

Federal Appeals

Direct appeals, 2255 motions, sentencing appeals, standard of review, post-conviction relief.

28 USC 2255

Healthcare Fraud Defense

18 USC 1347 — False Claims Act, medical necessity disputes, kickback and Stark Law defense.

18 USC 1347

Whistleblower Defense

Qui tam actions, SEC whistleblower program, IRS whistleblower statute, Escobar materiality.

Qui Tam / SEC

Qui Tam Defense

False Claims Act litigation — seal period, government intervention, public disclosure bar.

False Claims Act

Securities Fraud Defense

Insider trading, 10b-5, SEC enforcement, PSLRA safe harbor, trading records analysis.

SEC / 10b-5

IRS Tax Defense

Civil audits, criminal tax investigations, FBAR, employment tax, voluntary disclosure.

IRS / FBAR

Proffer Agreement Defense

Queen for a Day — limited-use immunity, derivative use, 5K1.1 cooperation agreements.

5K1.1 Cooperation

Mann Act Defense

18 USC 2421-2424 — interstate transport element, purpose and intent, sentencing mitigation.

18 USC 2421-2424

Federal Sentencing Defense

PSR objections, departures and variances, 3553(a) factors, compassionate release.

USSG / 3553(a)