How a Phone Forensic Exam Can Lead to Additional Charges

When a phone exam turns up more than the original allegation

A recent news report described a person who was arrested after investigators completed a forensic examination of a phone and the micro-SD card inside it. It reflects a path that comes up in many internet crime investigations: an investigation may start with one allegation, and then what examiners say they found on a seized device can become the basis for more charges. Anyone accused of a crime is presumed innocent unless proven guilty in court.

Attorney Ron Frey is not commenting on any particular case or person. This post explains, in general terms, how a phone forensic exam, which can reach the phone, its memory card, and the accounts connected to it, can lead to charges beyond the allegation that started the investigation. Our post on what happens after police seize your computer or phone covers the seizure itself.

What a phone forensic exam can reach

After a phone is seized, it is usually sent to a forensic examiner. Depending on the device, its condition, and the legal authority investigators have, the exam may try to make a copy, called an extraction, and then review it with forensic software. In general terms, an exam may look at:

• The phone’s internal storage, including photos, videos, downloads, and files saved by apps.
• A removable memory card, such as a micro-SD card, which can hold its own photos, videos, and backups, sometimes going back years and sometimes moved from another device.
• App data, such as messages, chats, contact lists, call logs, browser history, and the data that messaging, social media, and file-sharing apps keep.
• Cloud-synced data, such as photo libraries, backups, and notes that copy between a phone and an online account. Some of this may be on the phone itself, and some may only be in the account (see our post on cloud storage evidence).
• File details and system records, such as dates, locations, thumbnails, cached images, and records of which accounts were signed in, along with data the software reports it recovered.

A forensic report is an interpretation of data, not the last word on it. Our post on questioning the biography of a digital file explains why where a file came from and how it got onto a device can matter.

How additional charges can come out of an exam

A search warrant for a phone generally describes what investigators are allowed to look for. What happens when an exam turns up something outside that description depends on the facts, the warrant, and the law where the case is. In general terms, added charges may come up in a few ways:

• More of the same alleged conduct. If an investigation began with one alleged file or message, an exam that reports many more may lead to more counts.
• A different kind of allegation. For example, an exam in a case about one type of conduct may turn up messages, images, or records that investigators say support a separate allegation, such as possession of child sexual abuse material (CSAM), formerly called child pornography (see our possession page).
• A second warrant. Investigators who see something outside the first warrant may apply for another one to search for it.
• New accounts and new devices. Usernames, email addresses, and sign-in records found on a phone can lead to requests for account records and searches of other devices (see how police connect an online account to a person and how investigators trace a cloud account to a person).

Our post on how one cloud photo upload can lead to charges follows a similar path that starts with an account instead of a device. Whether added charges are brought in state court, federal court, or both also depends on the facts (see computer and internet crimes in state and federal court).

Memory cards and cloud data raise their own questions

A memory card or a cloud account can look like part of the phone, but it may have a different history. A card may have been bought used, shared, or moved between devices. Cloud data may have synced from a tablet, a computer, or another person’s phone signed in to the same account. Files can also arrive on a device through automatic downloads, group chats, or backups without anyone opening them.

Because of that, who put a file on a card or in an account, when, and whether anyone knew it was there can be central questions. Those questions are evaluated case by case, based on the forensic data and everything else in the case.

Questions that may matter

In Attorney Ron Frey’s view, questions that may matter after a phone exam include:

• What did the warrant allow, and did the exam stay within it? The scope of a warrant, and whether investigators went beyond it, can be important.
• Was there consent, and what did it cover? Whether a person agreed to a search, gave a passcode, or unlocked a device, and whether a warrant or court order required it, can affect what happened next (see should I provide my password to the police or FBI? and a federal court order to unlock an iPhone with a finger).
• Which device or account did each item come from? The phone, the memory card, and a cloud account may need to be looked at separately.
• Is each count really a separate item? Duplicates, thumbnails, cached copies, and backups can make one file look like many.
• Who had access? Shared phones, shared accounts, and used or borrowed memory cards raise questions about knowledge and control.
• How was the data handled? How the extraction was made, what software was used, and how the evidence was stored and documented can matter.

Every situation is evaluated case by case under current law, and each needs a tailored response. Laws change, and what applies depends on the facts and the court. Please don’t rely on what the internet or AI tools say about your specific situation.

If your case is in Florida: our post on when you see the evidence against you in a Florida criminal case on FreyLegal.com explains when the defense generally gets to review the evidence, including phone and computer extractions.

Talk to an attorney first

If police have seized your phone, asked for your passcode, asked you to unlock a device, or asked you to come in and talk, Attorney Ron Frey generally advises speaking with an attorney before answering questions or agreeing to a search. Whether a person may be required to provide a passcode or unlock a device by fingerprint or face depends on the circumstances, the jurisdiction, and any search warrant or court order involved, so that decision should be made with an attorney’s advice. You have the right to remain silent. Every situation is unique, and contacting an attorney is a priority to get tailored advice.

Attorney Ron Frey of The Frey Law Firm, LLC has over 20 years of experience and represents people nationally in internet and computer crime investigations and charges. He is a conference speaker and published author.

Attorney Ron Frey Is Available for a Free, Confidential Initial Consultation: Call or Text (844) 766-3739. In Florida, call (813) 775-2276. You can also reach the firm through the contact page.

Journalists covering phone forensics and digital evidence can reach Attorney Ron Frey through the Media Inquiries page.