Criminal Procedure
Research Project
Westlaw
Instructions:
• 1. Find out what the legal issue is in Mapp v. Ohio,
367 U.S. 643 (1961) (see textbook).
This is what you see when you
first open WestlawNext!

The search box is designed like Google
for simplicity.

24/7 assist...
Since we know the case citation (367 U.S. 643)
we can simply type that in the search field.
Or: type in the case name.
When you type in the case name, you will retrieve the case, and also any
cases that have cited (referred to) Mapp v. Ohio....
In addition to case law, Westlaw provides
law reviews and secondary sources
which INTERPRET Mapp v. Ohio and can
help you ...
Instructions:
• 2. Obtain your appropriate key word terms and issues from
Mapp v. Ohio. Using these terms, search for case...
Let’s look at the actual case.
These are parallel citations
which means same case, found
in different sources. Professor
Pesca gave you the U.S.
Supreme ...
This is the prior
history of the case,
which describes
what courts heard
the case prior to it
coming before the
U.S. Supre...
West Headnotes are
brief summaries of
the main legal issues
and points of law and
in the case.
Headnotes are not
part of t...
Westlaw tells you how many
cases have “cited” a particular
headnote. For example, 953
cases have referred back to
Mapp v. ...
Let’s go live and take a
look at Mapp v. Ohio.
Look at the depth and complexity of this case. It is a
pivotal, very famous...
From anywhere in Westlaw, you can access
the main scree by clicking on WestlawNext.

So what happens when we run the searc...
The case

Secondary
sources
to help you
understand the
case

The Constitutional
Amendment (IV)
Instructions:
• 2. Obtain your appropriate key word terms and issues from
Mapp v. Ohio. Using these terms, search for case...
Which search terms do I use?
What are the legal issues…?

Secondary Sources!
In addition to the case itself, check law rev...
Back to the main screen
(click on WestlawNext)
Using these terms…
…search for cases in the state that you have chosen.
Some courts located in New Jersey (and in all of the
United States) are federal courts, which is why you see
both Federal ...
In general, you will search these courts most
often.
Note the search
results are
displayed in
“relevance” order.
You can sort by
date or “most
cited” as well.
Think about this: “Most cited” means
subsequent (later) cases have
referred back to these cases most
frequently.
Instructions:
• 3. Print out the list of cases and citations that match your
key words and terms.
To print, click on the arrow
just to the right of the
envelope icon.
Your options are: Email,
Print, Download or send to a...
Heads up! You do NOT want to print the full
text of each case!
The instructions read, “Print out the list of cases
and cit...
Instructions:
• 4. Read through the cases and find a case that deals with
the same issue that is in Mapp v. Ohio.

Your ch...
Is the case still good law?
•Is the case I am looking at
still good law?
• While viewing a case with a KeyCite flag, click...
No flag = good law so far - Yellow flag = caution – Red flag = no longer good law
(has been overruled, overturned)
Click o...
Just because there is no flag…
• … does not mean this is the best case!
• A case like Roe v. Wade – (Supreme Court of the ...
Let’s say we
decide this is the
case that deals
closely with the
issue in Mapp v.
Ohio. How did
we decide this?
Remember those
“Headnotes”
described earlier.
Headnotes are brief
summaries of the
legal issue(s) in the
case, written by
...
To understand
and effectively
BRIEF the
case, you have
to read the
case, not just
the headnotes.
The
opinion, writte
n by ...
To print, click
on the arrow
just to the right
of the envelope
icon.
The print screen
defaults to term
highlighting, including
headnotes and dual
column printing (see
next slide).
Dual
column
layout
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
WestlawNext for Criminal Procedure Law - Pesca
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WestlawNext for Criminal Procedure Law - Pesca

  1. 1. Criminal Procedure Research Project Westlaw
  2. 2. Instructions: • 1. Find out what the legal issue is in Mapp v. Ohio, 367 U.S. 643 (1961) (see textbook).
  3. 3. This is what you see when you first open WestlawNext! The search box is designed like Google for simplicity. 24/7 assistance
  4. 4. Since we know the case citation (367 U.S. 643) we can simply type that in the search field.
  5. 5. Or: type in the case name.
  6. 6. When you type in the case name, you will retrieve the case, and also any cases that have cited (referred to) Mapp v. Ohio. There are advantages to each approach.
  7. 7. In addition to case law, Westlaw provides law reviews and secondary sources which INTERPRET Mapp v. Ohio and can help you identify the legal issue in the case. These articles can also help you determine key words and search terms you should use when searching for cases in the state you have chosen.
  8. 8. Instructions: • 2. Obtain your appropriate key word terms and issues from Mapp v. Ohio. Using these terms, search for cases in the state that you have chosen.
  9. 9. Let’s look at the actual case.
  10. 10. These are parallel citations which means same case, found in different sources. Professor Pesca gave you the U.S. Supreme Court official citation (367 U.S. 643). 81 S. Ct. 1684 is the SAME case, Mapp v. Ohio, in a West case reporter.
  11. 11. This is the prior history of the case, which describes what courts heard the case prior to it coming before the U.S. Supreme Court.
  12. 12. West Headnotes are brief summaries of the main legal issues and points of law and in the case. Headnotes are not part of the Court’s official decision; they are written by West attorney-editors to help with case interpretation. Very useful!
  13. 13. Westlaw tells you how many cases have “cited” a particular headnote. For example, 953 cases have referred back to Mapp v. Ohio for this particular point of law!
  14. 14. Let’s go live and take a look at Mapp v. Ohio. Look at the depth and complexity of this case. It is a pivotal, very famous United States Supreme Court case. You can see where attorney-editor Headnotes would assist with case interpretation.
  15. 15. From anywhere in Westlaw, you can access the main scree by clicking on WestlawNext. So what happens when we run the search Mapp v. Ohio on the main screen? Remember, before we searched from “Cases.”
  16. 16. The case Secondary sources to help you understand the case The Constitutional Amendment (IV)
  17. 17. Instructions: • 2. Obtain your appropriate key word terms and issues from Mapp v. Ohio. Using these terms, search for cases in the state that you have chosen.
  18. 18. Which search terms do I use? What are the legal issues…? Secondary Sources! In addition to the case itself, check law reviews and ALR (American Law Reports).
  19. 19. Back to the main screen (click on WestlawNext)
  20. 20. Using these terms… …search for cases in the state that you have chosen.
  21. 21. Some courts located in New Jersey (and in all of the United States) are federal courts, which is why you see both Federal and State court listings under New Jersey (and with every state). It may seem confusing at first, but it is the U.S. court structure. Here, you want to choose All New Jersey State Cases.
  22. 22. In general, you will search these courts most often.
  23. 23. Note the search results are displayed in “relevance” order. You can sort by date or “most cited” as well.
  24. 24. Think about this: “Most cited” means subsequent (later) cases have referred back to these cases most frequently.
  25. 25. Instructions: • 3. Print out the list of cases and citations that match your key words and terms.
  26. 26. To print, click on the arrow just to the right of the envelope icon. Your options are: Email, Print, Download or send to a Kindle. Choose Print.
  27. 27. Heads up! You do NOT want to print the full text of each case! The instructions read, “Print out the list of cases and citations that match your key words and terms.”
  28. 28. Instructions: • 4. Read through the cases and find a case that deals with the same issue that is in Mapp v. Ohio. Your challenge now is to find a case that most closely deals with the same issue that is in Mapp v. Ohio, is reasonably current (though a pivotal case may be very old), and is still good law.
  29. 29. Is the case still good law? •Is the case I am looking at still good law? • While viewing a case with a KeyCite flag, click the flag (if there IS one). • No flag = no negative treatment (so far) • Yellow = CAUTION • Red = CASE HAS BEEN OVERRULED – DO NOT USE
  30. 30. No flag = good law so far - Yellow flag = caution – Red flag = no longer good law (has been overruled, overturned) Click on the flag for specific negative history.
  31. 31. Just because there is no flag… • … does not mean this is the best case! • A case like Roe v. Wade – (Supreme Court of the United States January 22, 1973 - 410 U.S. 113) • a very famous U.S. Supreme Court case in the 1970s, has a yellow flag because some courts have not agreed with certain aspects of the Court’s ruling – but this case has been cited over 22,000 times! • If later cases have ‘cited’ to (referred to) a case thousands of times, even if there is some negative treatment, this case is still good law, and very, very important! • Bottom line: don’t be afraid of cases with yellow flags!
  32. 32. Let’s say we decide this is the case that deals closely with the issue in Mapp v. Ohio. How did we decide this?
  33. 33. Remember those “Headnotes” described earlier. Headnotes are brief summaries of the legal issue(s) in the case, written by Westlaw attorneyeditors.
  34. 34. To understand and effectively BRIEF the case, you have to read the case, not just the headnotes. The opinion, writte n by the judge, contains the facts, the issue(s) before the court, the court’s holding and rationale.
  35. 35. To print, click on the arrow just to the right of the envelope icon.
  36. 36. The print screen defaults to term highlighting, including headnotes and dual column printing (see next slide).
  37. 37. Dual column layout

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