TOP NATIONAL SIU & SURVEILLANCE FIRMS
Ranked by scale & reach — click through to each company's own listings
TOP 15 SURVEILLANCE VEHICLES
Blend in, go far between fill-ups, stay parked for hours
MPG/range are 2026 EPA estimates for the trim shown. Typical used price is a rough market estimate, not a live quote — check the links for current listings. Actual mileage and pricing vary.
PI GENERAL KNOWLEDGE QUIZ
Quick warm-up — general concepts, not a specific state's exam
A.R.I.E.S. MESSAGE CENTER
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A.R.I.E.S. MEMBER DASHBOARD
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BUILDING GLOBE FROM WORLD GEOMETRY…
OSINT & INVESTIGATOR TOOLS
Open-source intelligence & research resources
MISSING PERSONS — UNITED STATES
Click a state to search live, official NamUs records
Click any state to get started.
Map data: public-domain U.S. states outline (Wikipedia). Case data: National Missing & Unidentified Persons System (NamUs), U.S. Department of Justice — opens in a new tab, always live and current.
PI LICENSING EXAM PRACTICE
Find your state's practice questions — powered by OpenExamPrep
Not every state licenses PIs or requires an exam — check your state board for current requirements. These are third-party practice questions for general prep, not official exam items.