Analysis of CSLI methodology, call detail records, and digital forensics—written for criminal defense attorneys and civil litigators navigating complex location evidence.
A decade ago the term was barely known. Today the geofence warrant sits at the center of Fourth Amendment litigation, with the Supreme Court weighing in on Chatrie v. United States. A working guide to how reverse location searches work, where the law stands across circuits, and what defense counsel needs to know now.
Read ArticleCarriers purge the records attorneys care most about first. RTT data lasts 8 days. SMS content lasts 3 to 5. Precise location estimates often just 90. A practical guide to preservation letters, 2703(f) requests, and what to demand before the clock runs out.
Read ArticleCDRs appear in homicides, distracted driving suits, and divorce proceedings alike—yet they are routinely misread. A plain-language guide to what a CDR actually contains, why billing records are not a substitute, where tower selection logic breaks down, and how to read a carrier production without missing the fields that matter.
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