Full Patrol Kit available in Massachusetts
Massachusetts criminal and traffic statutes, the decisions that interpret them, and field guides that walk the call. Built from published state sources and stored on your phone, so it works with no signal. Covers G.L. c. 265+ and G.L. c. 90.
★ 4.9 from 124 ratings on the App Store · 7-day free trial for new subscribers
App screens show New Jersey. Every state pack uses the same layout.
Counts reflect the current Massachusetts content pack and change with each release.
No law-review language. Each entry tells you what the law requires, what to charge and what to do first.
G.L. c. 265+ and G.L. c. 90, with the grade, the elements to prove and a note on what to do first.
Type “suspended” or “road rage” and get the right section. No statute numbers to memorize.
Step-by-step walkthroughs for the calls that go sideways, with the legal basis at each step.
Massachusetts decisions and the U.S. Supreme Court cases that decide your stops, in plain English with the citation.
U.S. Supreme Court decisions set the minimum for every stop, search and arrest. Massachusetts’s legislature and courts can add stricter rules, and the answer on the street depends on both. The Massachusetts pack keeps the state’s own statutes and decisions next to the federal cases, and our blog breaks down both, state by state.
Massachusetts Supreme Judicial Court · 2005
To hold a car past the traffic purpose you need reasonable suspicion of further crime. A dog sniff of a lawfully stopped car is not a search under art. 14, and here a roughly 25-to-30-minute wait for a canine was upheld as reasonable and proportional — but the longer you hold the motorist, the stronger your articulable suspicion must be.
833 N.E.2d 590
Find the opinion for Commonwealth v. FeyenordMassachusetts Supreme Judicial Court · 1982
With probable cause for a violent felony, strong reason to think the suspect is armed and home, a real risk of escape or violence, and a warrant shown to be impracticable, a warrantless arrest is lawful. Because arresting him inside would have been lawful, luring him outside by a ruse was also allowed.
431 N.E.2d 880
Find the opinion for Commonwealth v. BradshawEach summary was checked against the court’s majority opinion on September 30, 2026. Read the decision and follow your agency’s policy; this is reference guidance, not legal advice.
Free for verified law enforcement
Scan a temporary tag and check it against the issuing state’s reference. The app shows what it found and the state’s own details. You make the call. Free for verified law enforcement, with or without a subscription.
Task force, bi-state agency or a beat near the border: every state has its own page, and the Federal Kit travels with you.
Full Patrol Kit $24.99/yr · Patrol Essentials $9.99/yr · Lifetime $69.99 once, limited per state. 7-day free trial for new subscribers.
Yes. The Massachusetts pack covers G.L. c. 265+ and G.L. c. 90, with case law, field guides and quick cards, and it is stored on your phone, so it works with no signal. Updates download in the background the next time you have service.
The current Massachusetts content pack has 612 statutes, 72 case-law entries, 81 field guides and 74 quick cards. Counts change with each release.
Patrol Essentials is $9.99 a year and the Full Patrol Kit is $24.99 a year, with a 7-day free trial for new subscribers. The Lifetime Kit is $69.99 one time, where available (limited per state). It covers your selected state’s kit in the StreetSense mobile app for iOS and Android, with the content updates and new features added to the app over time. It does not unlock every state; the Lifetime All-States Kit is a separate add-on for Lifetime Kit holders. Products offered separately, such as companion apps, device integrations and agency services, are not included. See pricing and the Terms of Use, Sections 5.5 and 5.6.
A New Jersey police officer, Nick S. StreetSense is published by MNS Industries, LLC. Content comes from published official sources and cites its authority; see how we verify it.
No. StreetSense is an educational reference. Federal decisions set the floor, and your state and department policy can be stricter. Follow your agency’s policy and your prosecutor’s guidance.
★ 4.9 from 124 ratings on the App Store. Works with no signal.