Perjury Defense Lawyer Chicago

Experienced Chicago Criminal Defense Attorney Defending Perjury Charges

Being charged with perjury in Illinois is a serious matter that can threaten your freedom, reputation, career, and future. Prosecutors aggressively pursue perjury charges because they believe false statements undermine the integrity of the criminal justice system and the legal process itself. A conviction can result in prison time, a permanent felony conviction, professional consequences, and long-term damage to your credibility.

Perjury allegations frequently arise during criminal cases, family court proceedings, grand jury investigations, federal proceedings, and other legal proceedings where testimony is given under oath.

If you are facing perjury charges in Chicago or Cook County, you should immediately seek representation from an experienced criminal defense attorney familiar with both Illinois law and federal law involving false statements and sworn testimony.

Andrew M. Weisberg is a former Cook County prosecutor and highly experienced Chicago criminal defense lawyer who has spent decades defending clients charged with serious criminal offenses throughout Cook County and the surrounding counties. His law offices handle felony cases involving white collar crimes, violent crimes, sex offenses, federal charges, attempted murder, aggravated battery, DUI charges, and other serious criminal cases in both state court and federal courts.

As a true trial lawyer and experienced defense attorney, Andrew M. Weisberg understands how prosecutors investigate perjury allegations and how defense attorneys can challenge the prosecutor’s case through aggressive and proactive defense strategies.

If you have been charged with perjury or making false statements during a legal proceeding, contact the Law Offices of Andrew M. Weisberg immediately for a free consultation and confidential consultation.

Understanding Perjury Under Illinois Law

Perjury is defined under 720 ILCS 5/32-2.

Under Illinois law, a person commits perjury when, during a legal proceeding and while under oath or affirmation, they knowingly make false statements regarding a material matter.

Perjury is considered a serious criminal offense because courts depend upon truthful testimony during judicial proceedings.

Perjury allegations commonly arise from:

• Testimony during criminal cases
• Grand jury testimony
• Sworn affidavits
• Depositions
• Family court proceedings
• Administrative hearings
• Financial disclosures
• Federal investigations

Perjury is also prosecuted under federal law.

Under 18 U.S.C. § 1621, it is a federal offense to knowingly provide false information while under oath during a federal proceeding.

Federal perjury cases require specialized criminal defense representation because they often involve federal charges, grand jury investigations, and proceedings in federal courts.

What Prosecutors Must Prove in a Perjury Case

To obtain a criminal conviction for perjury, prosecutors must prove several specific elements beyond a reasonable doubt.

Statement Made Under Oath

The alleged false statement must have occurred during a formal legal proceeding where the defendant was legally required to tell the truth.

Statements casually made to police officers generally do not constitute perjury, although they may potentially lead to other criminal charges.

Knowingly False Statements

The prosecution must prove the defendant knowingly made false statements at the time they were given.

This is often one of the most contested issues in perjury cases.

Mistakes, misunderstandings, confusion, poor memory, or inaccurate recollection do not automatically constitute perjury under Illinois law.

Materiality Requirement

A false statement is only considered perjury if it is material to the legal proceeding.

Materiality means the statement had the potential to influence the outcome of the proceeding or affect decisions made by the judge, jury, or governmental body.

Minor inaccuracies or irrelevant statements generally do not satisfy the legal definition of perjury.

Intent

Intent is critically important in perjury prosecutions.

Defense attorneys frequently challenge whether the defendant actually intended to mislead investigators, prosecutors, or the court.

Challenging intent, materiality, and the wording of testimony is often central to an effective defense strategy.

Penalties for Perjury in Illinois

Perjury is generally classified as a Class 3 felony under Illinois law.

Potential penalties include:

• Two to five years in prison
• Probation in certain cases
• Fines up to $25,000
• Court costs and assessments
• Permanent felony conviction consequences

Federal perjury convictions may carry prison sentences of up to five years under federal law.

Judges often consider:

• Criminal history
• Circumstances surrounding the alleged false statements
• The seriousness of the underlying legal proceeding
• The impact of the alleged testimony

Even when probation or community service is imposed instead of prison time, a felony conviction can create severe long-term consequences.

Long-Term Consequences of a Perjury Conviction

A perjury conviction can affect nearly every aspect of a person’s personal and professional life.

Potential consequences include:

• Permanent felony record
• Damage to reputation and credibility
• Loss of professional licenses
• Employment difficulties
• Restrictions involving driving privileges or driver’s license issues in certain cases
• Difficulty obtaining housing
• Immigration consequences

Because perjury involves dishonesty allegations, the conviction can be especially damaging in professions requiring trust or licensing, making it especially important to work with a defense attorney who has strong client reviews highlighting professionalism and effective advocacy.

A felony conviction may also impact future testimony in court because opposing attorneys may attempt to use the conviction to challenge credibility.

How Perjury Cases Are Investigated

Perjury investigations often begin after prosecutors review testimony and believe false information may have been provided under oath.

These investigations frequently involve:

• Police reports
• Witness statements
• Grand jury transcripts
• Court transcripts
• Recorded testimony
• Documentary evidence
• Independent investigations

Because perjury frequently intersects with other criminal offenses or federal offense allegations, attorneys must carefully control communications with investigators and prosecutors.

Federal and serious state investigations require responsive and strategic legal representation from experienced criminal defense attorneys.

The Criminal Defense Process After an Arrest

After an arrest in Chicago, defendants are typically transported to a local police department for booking and processing.

Individuals should remain silent and request an attorney immediately.

Police officers must advise defendants of their constitutional rights, including the right to remain silent and the right to legal counsel.

A person generally cannot be held in custody for more than 48 hours without appearing before a judge.

Arraignment and Initial Court Appearance

During the initial court appearance or arraignment:

• Criminal charges are formally presented
• The defendant enters a plea
• Bail conditions may be discussed
• Future court dates are scheduled

Discovery Phase

During the discovery phase, prosecutors must provide evidence gathered during the investigation.

This often includes:

• Police reports
• Witness testimony
• Grand jury materials
• Sworn transcripts
• Documentary evidence

Defense lawyers conduct careful review of all materials in order to identify inconsistencies, weaknesses, and constitutional issues.

Common Defenses to Perjury Charges

Successfully defending perjury charges requires extensive preparation and experienced criminal defense representation.

Common defenses may include:

Lack of Intent

If the defendant misunderstood a question, forgot details, or made an honest mistake, the prosecution may not be able to prove criminal intent.

Truthfulness or Ambiguity

In some cases, the allegedly false testimony may actually have been truthful or reasonably subject to interpretation.

Defense attorneys carefully analyze transcripts and wording to determine whether the testimony was ambiguous.

Lack of Materiality

If the statement could not reasonably have influenced the legal proceeding, it may fail the materiality requirement necessary for conviction.

Insufficient Evidence

The prosecution bears the burden of proof beyond a reasonable doubt.

If prosecutors do not have enough evidence establishing falsity and intent, the charges may potentially be reduced or dismissed.

Constitutional Violations

Defense attorneys may challenge:

• Improper questioning
• Unlawful investigative tactics
• Violations of constitutional rights
• Improperly obtained evidence

Why Hiring the Right Criminal Defense Lawyer Matters

Choosing the right criminal defense attorney can significantly impact the outcome of your case.

Perjury is a complex offense that intersects with both Illinois criminal law and federal law, making experienced criminal defense representation extremely important.

As a former prosecutor and knowledgeable attorney, Andrew M. Weisberg understands:

• How prosecutors build perjury cases
• How juries evaluate witness testimony
• How to challenge the prosecutor’s evidence
• How to prepare aggressively for trial

His law offices provide:

• Aggressive and proactive approach to criminal defense
• Thorough case analysis
• Strategic defense planning
• Extensive experience representing clients
• Strong courtroom advocacy

Andrew understands that many perjury allegations arise from complicated legal situations involving stress, confusion, and imperfect memory.

Speak With a Perjury Defense Lawyer in Chicago Today

If you are facing perjury charges, false statements allegations, or related felony charges in Chicago, Cook County, or the surrounding counties, you should seek experienced legal representation immediately.

Andrew M. Weisberg provides aggressive criminal defense representation for clients facing serious criminal charges throughout the Chicago area and throughout Illinois.

His law offices work tirelessly to protect clients rights, challenge the prosecution’s case, and pursue the best possible outcome in every criminal case.

Contact Andrew M. Weisberg for a free consultation by calling (773) 908-9811 anytime, day or night, or complete the online form for a confidential consultation regarding your case.