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1:26-mj-01379-1 USA v. Pen Register

26-mj-01379
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Case Summary

A federal magistrate judge granted a government application for a pen register and trap-and-trace device under docket 26-mj-01379. These surveillance tools capture incoming and outgoing call metadata — numbers dialed, call duration, and routing data — without recording content. The order is sealed by default in most jurisdictions, and the docket title reflects the device type rather than a named subject. The case record is minimal. No defendant is named, no underlying investigation is identified, and the court is not specified. The grant of the application means a judge found the government met the low statutory threshold: certification that the information is relevant to an ongoing investigation.

Stage

Court order issued

Timeline

20 events

Coverage

20 articles

Sources

2

Key Issues

  • • Statutory basis for pen register and trap-and-trace authorization under 18 U.S.C. § 3122
  • • Sufficiency of government certification for relevance to ongoing investigation
  • • Scope and duration of surveillance order
  • • Sealing and public access to surveillance applications
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update What Changed This Week

4 events
gavel
Order 1 hour ago
The court issued an order.
receipt_long Source (filing) expand_more

Magistrate Judge Miscellaneous Matter: Warrants/Applications/Orders

Open original open_in_new
gavel
Order 1 hour ago
The court issued an order.
receipt_long Source (filing) expand_more

Magistrate Judge Miscellaneous Matter: Warrants/Applications/Orders

Open original open_in_new
gavel
Order 1 hour ago
The court issued an order.
receipt_long Source (filing) expand_more

Magistrate Judge Miscellaneous Matter: Warrants/Applications/Orders

Open original open_in_new
gavel
Order 1 hour ago
The court issued an order.
receipt_long Source (filing) expand_more

Magistrate Judge Miscellaneous Matter: Warrants/Applications/Orders

Open original open_in_new

Juryvine summaries are generated from court records. Expand "Source" on any row to see the underlying filing.

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Case Timeline

20 events
gavel
Order April 20, 2026

1:26-mj-02688-1 USA v. Pen Register

Magistrate Judge Miscellaneous Matter: Warrants/Applications/Orders

description View filing open_in_new
gavel
Order April 20, 2026

1:26-mj-02687-1 USA v. Pen Register

Magistrate Judge Miscellaneous Matter: Warrants/Applications/Orders

description View filing open_in_new
gavel
Order April 20, 2026

1:26-mj-02686-1 USA v. Pen Register

Magistrate Judge Miscellaneous Matter: Warrants/Applications/Orders

description View filing open_in_new
gavel
Order April 20, 2026

1:26-mj-02685-1 USA v. Pen Register

Magistrate Judge Miscellaneous Matter: Warrants/Applications/Orders

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01353-1 USA v. Ewell

Rule 5(c)(3) - Documents Sent

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01392-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in a sealed surveillance matter, docketed as 1:26-mj-01392-1. The order authorizes the government to collect real-time metadata — incoming and outgoing phone numbers, IP addresses, or both — without intercepting content. No probable cause is required for this type of order, only relevance to an ongoing investigation.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01391-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in case 1:26-mj-01391-1. This authorizes investigators to collect real-time metadata — phone numbers dialed, call durations, IP addresses — from a target's communications without capturing content. The order is almost certainly sealed, meaning the target has no idea surveillance has begun.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01390-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in a sealed surveillance matter, docketed as 1:26-mj-01390-1. The order authorizes the government to collect real-time metadata — incoming and outgoing phone numbers, call duration, IP addresses — without capturing content. The target does not know this is happening.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01389-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in a sealed surveillance matter, docketed as 1:26-mj-01389-1. The order authorizes the government to collect real-time metadata — incoming and outgoing phone numbers, call duration, IP addresses — without capturing content. No probable cause is required for this type of order, only relevance to an ongoing investigation.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01388-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in a sealed surveillance matter, docketed as 1:26-mj-01388-1. The order authorizes the government to collect real-time call metadata — numbers dialed, call duration, and device identifiers — without capturing call content. No probable cause is required for this type of order; the government need only certify the data is relevant to an ongoing investigation.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01387-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in a sealed surveillance matter, docketed as 1:26-mj-01387-1. The order authorizes the government to collect real-time metadata — incoming and outgoing phone numbers, call durations, IP addresses — without capturing content. No notice goes to the target; these orders are sealed by default.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01386-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in a sealed surveillance matter, docketed as 1:26-mj-01386-1. The order authorizes the government to collect real-time call metadata — numbers dialed, call duration, and device identifiers — without capturing call content. No probable cause is required for this type of order, only relevance to an ongoing investigation.

description View filing open_in_new
info
Other April 20, 2026

1:24-mj-03983-1 USA v. Pen Register

A federal magistrate judge extended an existing pen register and trap-and-trace order in a criminal investigation, allowing the government to keep collecting call metadata — phone numbers dialed, call duration, device identifiers — on an unnamed target. The case caption 'USA v. Pen Register' is a placeholder; the actual target and investigation remain sealed. The docket number shift from 1:24-mj-03983 to 1:26-mj-01379 suggests this surveillance has been running since at least 2024 and just got another lease.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01385-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in a sealed surveillance matter, docketed as 1:26-mj-01385-1. The order authorizes the government to collect real-time call metadata — numbers dialed, call duration, device identifiers — without intercepting call content. No probable cause showing is required for this type of order, only relevance to an ongoing investigation.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01384-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in a sealed surveillance matter, docketed as 1:26-mj-01384-1. The order authorizes the government to collect real-time call metadata — numbers dialed, call duration, device identifiers — without intercepting content. No probable cause is required for this type of order, only relevance to an ongoing investigation.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01383-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in case 1:26-mj-01383-1. These tools capture incoming and outgoing phone numbers, call times, and data routing information — but not call content — on a target's communications. The order is sealed, which is standard in active investigations, meaning the target almost certainly does not know surveillance has begun.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01382-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in a sealed surveillance matter, docketed as 1:26-mj-01382-1. The order authorizes the government to collect real-time call metadata — numbers dialed, call duration, device identifiers — without intercepting content. No target is named in the public record.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01381-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in a sealed surveillance matter, docketed as 1:26-mj-01381-1. The order authorizes the government to collect real-time metadata — incoming and outgoing phone numbers, call duration, IP addresses — without capturing content. No probable cause is required for this type of order; the government only had to certify the data is relevant to an ongoing investigation.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01380-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in a sealed surveillance matter, docketed as 1:26-mj-01380-1. The order authorizes the government to collect real-time call metadata — numbers dialed, call duration, device identifiers — without capturing call content. The companion docket, 1:26-mj-01379-1, suggests a related or parallel application filed the same day.

description View filing open_in_new
info
Other April 20, 2026

1:26-mj-01379-1 USA v. Pen Register

A federal magistrate judge in the District of Massachusetts granted the government's application for a pen register and trap-and-trace device in a sealed criminal matter, case no. 1:26-mj-01379-1. These tools capture incoming and outgoing phone numbers, call times, and durations — but not call content — without the target's knowledge. The order authorizes real-time surveillance of a phone line or network account, typically for 60 days.

description View filing open_in_new
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Press Coverage

20 articles
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Sources tracked

2 outlets · 20 articles

Timeline events

20 records on file

Last updated

21 minutes ago

Juryvine aggregates docket entries from PACER/CourtListener, press coverage, and GDELT signals. Ingestion timestamps do not appear in the What Changed feed — that reflects real court activity only.