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Dixon & Moseley | Attorneys At Law
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  5. A Key New Case Allows Owner’s to Assert the Fifth for Their Smartphones

A Key New Case Allows Owner’s to Assert the Fifth for Their Smartphones

On Behalf of Dixon & Moseley, P.C. | Aug 28, 2018 | General Practice, Indiana Court of Appeals

You have probably heard the phrase, “I plead the Fifth”, at some point in your life, whether it be on a movie, television, or just in everyday talk. But what does this mean? How far does it extend? On August 21, 2018, the Indiana Court of Appeals decided a case of first impression1 in which the protection of the Fifth Amendment was greatly increased and protected citizens from making incriminating statements by what the contents of their smartphone “says”! This blog covers what you need to know in this the development of the Fifth Amendment to avoid your smart phone speaking for you and admitting to a crime.

The Fifth Amendment to the United States Constitution protects individuals from self-incrimination.2 In a nutshell, this means that a government actor, such as a police officer, cannot force an individual to admit that he or she committed a crime if that individual does not wish to make a statement or confession. He or she can remain silent, and this is not an admission of guilt. The Fifth Amendment is a powerful tool for criminal defendants, and the State of Indiana just increased the constitutional power of this tool given technological developments in Katelin Eunjoo Seo v. State of Indiana. In Seo v. State, the Defendant was ordered by the trial court to unlock her smartphone by entering her passcode so that the prosecution could access files on the smartphone, such as text messages. She refused, and an appeal ensued.

On appeal, the State argued that the Defendant should be ordered to enter her passcode because it was a “foregone conclusion” that Defendant knew the passcode to her smartphone; and therefore, the Fifth Amendment protection is inapplicable. On the other hand, the defendant’s appellate counsel argued something quite different–that an individual and their smartphone are so interconnected that ordering the Defendant to provide the passcode would require her to disclose “the contents of her mind”, which is basically speaking as in words and a violation of the Fifth Amendment. The Court of Appeals agreed with the defense; and in its significant decision, the Court held that requiring an individual to provide their passcode to their smartphone is a violation of the Fifth Amendment right against being forced to make incriminating statements. However, the Court noted that there are certainly emergency situations and scenarios where requiring the passcode to a smartphone would not constitute violation of the Fifth Amendment.

This case has the potential to dramatically change the legal landscape of criminal proceedings, both at the trial and appellate court levels. Technology and all of its implications are going to continue to change our legal framework. Knowing the status of developments in the law is the key to avoiding criminal liability, as well as being an engaged citizen in our participatory system of government. In short, knowing this development in the law may keep you from unwittingly admitting to a crime, being charged, convicted, and imprisoned—all by providing your passcode and not asserting the Fifth for your smartphone. This blog post on a key new case was written by attorneys at Dixon & Moseley, P.C. who handle criminal defense cases and appeals of criminal convictions throughout the state. Knowing the law is a key to be an engaged citizen. Having criminal defense counsel current on the latest developments in law provides you with the best criminal defense. This blog is written for educational purposes only. It is not intended as legal advice or a solicitation for services. It is an advertisement.

  • Katelin Eunjoo Seo v. State of Indiana, 29A05-1710-CR-2466 (Ind.Ct.App. 2018) (August 21, 2018). A case of first impression is one that has never been decided before.
  • This is applicable to the states and its citizens through the Due Process Clause of the United States Constitution.
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    On Behalf of Dixon & Moseley, P.C. | Aug 5, 2026 | Firm News

    An Indiana appellate lawyer's guide to determining whether a trial court order can be appealed and when appellate review may be available. Quick Answer: What Orders Can Be Appealed in Indiana? Not every unfavorable court ruling can be appealed immediately. In Indiana,...

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    On Behalf of Dixon & Moseley, P.C. | Jul 15, 2026 | Firm News

    An Indiana appellate lawyer’s guide to Notice of Appeal deadlines, Motions to Correct Error, interlocutory appeals, and common timing mistakes. Quick Answer: How Many Days Do You Have to Appeal a Case in Indiana? In most Indiana appeals from a final judgment, the...

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    On Behalf of Dixon & Moseley, P.C. | Jul 9, 2026 | Uncategorized

    A practical Indiana appellate lawyer’s guide to Notice of Appeal deadlines, appealable orders, the appellate record, briefing, oral argument, rehearing, and transfer to the Indiana Supreme Court. If you lost a civil case in Indiana, you may wonder whether the trial...

    Common Grounds for Appeal in Indiana Civil Cases (Complete Guide)

    On Behalf of Dixon & Moseley, P.C. | Jul 1, 2026 | Uncategorized

    When a civil case does not go your way in an Indiana trial court, an appeal may provide a path to reversal, but only if certain legal errors occurred. Indiana appellate courts do not retry cases or reweigh evidence. Instead, they review whether the trial court...

    When Is Parental Consent NOT Required for Adoption in Indiana? (2026 Guide)

    On Behalf of Dixon & Moseley, P.C. | Jun 25, 2026 | Uncategorized

    Adoption in Indiana typically requires the consent of a child’s biological parents. However, Indiana law provides several important exceptions where a court may allow an adoption to proceed without a parent’s consent. Understanding these exceptions is critical;...

    Failure to Object: When Is an Issue Waived?

    On Behalf of Dixon & Moseley, P.C. | Jun 9, 2026 | Uncategorized

    An Indiana Litigation Guide for Preserving Error on Appeal In Indiana litigation, one of the most common mistakes a trial lawyer can make is failing to object at the right time and in the right manner. The rule is simple but unforgiving: if you do not properly object, you may waive the issue for appeal. An objection must be timely…

    Waiver on Appeal: The #1 Reason Appeals Lose in Indiana

    On Behalf of Dixon & Moseley, P.C. | Jun 2, 2026 | Uncategorized

    In Indiana appellate practice, many appeals do not fail because the underlying issue lacked merit. They fail because the issue was waived. In plain terms, waiver means the appellate court will not decide an argument because it was not properly preserved in the trial court, properly supported on appeal, or properly presented under the Indiana Rules of Appellate Procedure. Common…

    How to Preserve Error for Appeal in Indiana

    On Behalf of Dixon & Moseley, P.C. | May 28, 2026 | Uncategorized

    Executive Summary There are several things that an attorney can do to ensure that an error is preserved for appeal. Making timely and specific objections and obtaining an explicit ruling from the judge on such objections can ensure that a matter is preserved. If evidence is excluded, the attorney should make offers of proof through questioning the witness outside of…

    Can a mother legally deny parenting time to an unmarried father?

    On Behalf of Dixon & Moseley, P.C. | May 10, 2026 | Uncategorized

    The answer depends on several important legal factors, including paternity, custody orders, and the best interests of the child. An unmarried mother has sole legal custody in Indiana unless a court orders otherwise. An unmarried father does not have enforceable rights until paternity is established by either signing a paternity affidavit or filing a paternity action in court. If paternity…

    What Happens to the House in an Indiana Divorce?

    On Behalf of Dixon & Moseley, P.C. | Apr 23, 2026 | Uncategorized

    Executive Summary A house is considered marital property if it is owned by one or both spouses, even if it was acquired before the marriage. Indiana law presumes that a 50/50 division of marital property is fair, but this presumption can be rebutted by a number of factors. As for the house specifically, the court may award the house to…

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    • What Orders Can Be Appealed in Indiana? A Guide to Final Judgments, Interlocutory Appeals, and Appellate Rights (2026)
    • How Many Days Do You Have to Appeal in Indiana? (2026)
    • How to Appeal a Case in Indiana: Step-by-Step Guide, Deadlines, Costs, and Common Mistakes (2026)
    • Common Grounds for Appeal in Indiana Civil Cases (Complete Guide)
    • When Is Parental Consent NOT Required for Adoption in Indiana? (2026 Guide)

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