Missed Digital Evidence? There’s a Way Back In
Why Public Defenders Should Revisit Old iPhones in Serious Felony and Post-Conviction Cases

In criminal defense, timing often dictates what evidence is accessible—and what isn’t. For years, many iPhones were considered unreadable if passcodes were unknown. That barrier shut defense teams out of crucial digital evidence in thousands of serious felony and homicide cases.

Today, that barrier has been broken.

Thanks to a forensic breakthrough called checkm8, public defenders now have a reliable way to access and analyze older iPhones—without the passcode. This development opens the door for post-conviction relief and strengthens ongoing felony defense, especially in cases where digital evidence was never properly reviewed.

 

📱 The Scope: Hundreds of Millions of Devices, Millions of Affected Defendants

Between 2011 and 2018, Apple sold over 1.2 billion iPhones worldwide, with more than 700 million falling into the iPhone 4s through iPhone X range—all models vulnerable to the checkm8 exploit.

During that time:

  • Phones were often seized but never analyzed.
  • Standard forensic tools skipped over app, system, or deleted data.
  • Judges and juries rarely saw the full digital record.

This means millions of convictions may have overlooked vital evidence—such as location data, deleted messages, and app activity – that could have influenced outcomes.

 

🔓 What Is checkm8?

checkm8 is a hardware-level vulnerability affecting iPhones with A5–A11 chips (4s through X). Because it is based in the bootrom, Apple cannot fix it with a software update.

When applied by qualified forensic experts, checkm8 allows:

  • Full physical extractions of data
  • Access to deleted content
  • Bypass of passcodes in many cases
  • Access to forensic artifacts standard tools miss

For defense teams, this means a complete digital image can be recovered—one that may contain exculpatory evidence, impeachment material, or Brady disclosures previously hidden.

 

🕵️ What Was Missed in Past Investigations?

Forensic capabilities before 2020 were often limited to surface-level extractions. In many cases, the following types of evidence were left untouched:

  • 📱 Text and iMessages (including deleted content)
  • 📍 Location data from system logs and apps
  • 🗂️ Third-party app histories (e.g., Uber, WhatsApp, Snapchat)
  • 🖼️ Photos and metadata providing timeline context
  • 🧭 System-level forensic traces invisible to standard review

This evidence is now central to modern criminal defense strategies—but it was routinely overlooked in earlier trials.

 

⚖️ Why It Matters for Post-Conviction Relief

If your case involves a conviction from before 2020 and a seized iPhone in the A5–A11 range, the forensic technology of that era likely failed to reveal the full digital record.

With checkm8-based tools, public defenders can now:

  • Reevaluate incomplete or flawed forensic reports
  • Strengthen claims of actual innocence
  • Challenge convictions under Brady or ineffective assistance grounds
  • Support newly discovered evidence petitions under state post-conviction statutes

This is not theory—defense teams and innocence organizations are already using this method to uncover new digital evidence that undermines wrongful convictions.

 

👥 How the Digital Innocence Initiative Helps

The Digital Innocence Initiative partners with public defenders, post-conviction attorneys, and innocence projects to:

  • Evaluate digital evidence recovery potential in closed and pending cases
  • Perform lawful, validated forensic extractions
  • Translate technical findings into clear, courtroom-ready reports
  • Provide affidavits and litigation support for post-conviction matters

Our goal is to provide defenders with the tools and expertise to identify and challenge convictions built on outdated or incomplete digital forensics.

 

📩 Now Is the Time to Reopen the File

If you are handling a serious felony, post-conviction case, or wrongful conviction appeal involving an iPhone that was seized but never fully examined, there is now a path forward.

 Truth leaves a trace. We help you find it.

Contact the Digital Innocence Initiative
Request a Digital Evidence Review
Learn About Our Post-Conviction Review Criteria 

Digital Evidence Toolbox