Criminal DefensePennsylvania

Digital Evidence and Search and Seizure in Pennsylvania

## Digital records can reveal a life in detail

Phones and online accounts contain location history, messages, photographs, health information, browsing activity, and financial records. A digital-evidence dispute in Pennsylvania may involve the Fourth Amendment, federal statutes, the Pennsylvania Constitution, state statutes, and procedural rules.

The first questions are what government conduct occurred, whose rights are asserted, what data was obtained, how it was obtained, and what authorization existed at that moment.

## Carpenter and location information

In *Carpenter v. United States*, the Supreme Court held that the government’s acquisition of at least seven days of historical cell-site location information was a Fourth Amendment search. The Court required a warrant supported by probable cause in the circumstances before it.

The decision recognized that extensive location data can chronicle a person’s movements even though the records are maintained by a cellular provider. It declined to extend the traditional **third-party doctrine** mechanically to this revealing category of data.

*Carpenter* was deliberately narrow. It did not resolve every question involving real-time tracking, tower dumps, shorter periods of records, conventional surveillance, or other business records. Courts continue to analyze new technologies by considering depth, duration, precision, and the nature of governmental access.

## Article I, Section 8

Article I, Section 8 of the Pennsylvania Constitution protects security against unreasonable searches and seizures and requires warrants supported by probable cause that describe the place to be searched and persons or things to be seized.

Pennsylvania courts interpret the state constitution independently in appropriate cases and have often emphasized privacy. A litigant seeking broader state protection should develop a distinct state constitutional argument rather than assuming the federal analysis controls automatically.

That analysis may address text, history, related Pennsylvania decisions, approaches in other states, and policy considerations. Preservation is important: an undeveloped citation may not adequately present the issue.

## Warrants for devices and accounts

A digital warrant must satisfy probable cause and particularity. Because a phone holds enormous quantities of unrelated information, courts examine the connection between the alleged offense, the device, the account, the data categories, and the relevant period.

A warrant should avoid treating the device as permission to search everything indefinitely. Useful limitations can identify:

- Particular accounts or devices; - Relevant communications and file types; - Date ranges; - Location-data categories; - Evidence connected to specified offenses; and - Procedures for privileged or unrelated material.

Investigators may need technical flexibility to locate responsive data, but that does not eliminate constitutional boundaries.

## Consent, exigency, and authentication

Consent must be voluntary, and its scope depends on what a reasonable person would understand from the exchange. Authority to use or possess a device does not necessarily establish authority to consent to every account or protected folder.

Exigent circumstances may justify limited action when evidence faces imminent destruction or safety is at risk. The government must connect the urgency to the search actually conducted.

At trial, prosecutors must authenticate digital evidence and address hearsay when content is offered for its truth. A screenshot’s presence on a phone does not necessarily prove who created or sent it. Metadata, subscriber records, testimony, distinctive characteristics, and forensic extraction can establish or undermine attribution.

## Defense investigation

Counsel should preserve warrant applications, returns, provider orders, extraction reports, audit logs, hash values, chain-of-custody records, and software versions. Challenges may concern probable cause, particularity, overbreadth, staleness, execution, standing, or exceptions to exclusion.

Digital-search law evolves quickly. Pennsylvania analysis should always consider both federal doctrine and the independent protection of Article I, Section 8.

*By Samuel Torres, Esq. This article provides general information, not legal advice.*

Legal Disclaimer: This article is for informational purposes only and does not constitute legal advice. Consult a licensed attorney in your jurisdiction for advice specific to your situation.