Family & Pet Monitoring
Baby Monitor vs Nanny Cam: Which One Fits Your House
A baby monitor and a nanny cam solve different problems. Which one fits your house, what the law says about audio, and where people buy both.
Latest dossier · Counter-Surveillance & Privacy Law · 11 min read
Who Actually Plants GPS Trackers: 51 Court Opinions From 2026
We read all 51 US court opinions from 2026 that mention a GPS tracker. In 11, a private person planted it, and 9 of those 11 knew the driver intimately.
Open the full case file 
Dash Cams
Dash Cam Parking Mode: Do You Need a Hardwire Kit?
Parking mode needs constant power, and that means a hardwire kit or a battery pack. How each option works, what it costs, and the fuse-box shortcut.
Counter-Surveillance & Privacy Law
Hidden Camera Detector vs Phone App: What Finds a Camera, and What Misses
Anti-spy detectors versus the camera-finder app on your phone. What each one detects in a hotel room, and the sweep that finds more than both.
GPS Trackers
The Best GPS Trackers for Elderly Parents
GPS trackers for elderly parents, compared on battery life, monthly fees and whether the device gets carried at all. What matters, and what to skip.
Hidden Cameras & Nanny Cams
Wi-Fi vs SD Card Hidden Cameras: Where Each One Gives Out
Wi-Fi cameras let you check footage remotely but can show up on a network scan. SD card cameras stay hidden but need physical retrieval to view.
Counter-Surveillance & Privacy Law
Common Places Trackers Get Hidden on a Car
Wheel wells, the rear bumper lip, and the OBD-II port account for most GPS tracker locations. Here's why installers keep using the same few spots.
Voice & Audio Recorders
Voice Recorders: Legal Use, Best Models, and Where They Fail as Evidence
Voice recorder legality comes down to your state's consent law, not the device. Here's the one-party vs. all-party split, plus models worth buying.
Counter-Surveillance & Privacy Law
Surveillance and Recording Laws in the US: A Plain-English Overview
A plain-English breakdown of US surveillance law: when video, audio, and GPS tracking are legal, and how consent rules differ by state as of 2026.
Hidden Cameras & Nanny Cams
Four Smoke Detector Cameras Worth Buying, and What Each One Gets Wrong
A smoke detector camera does not detect smoke. We compare four models still on sale, name the one to start with, and flag the weak spot on each.