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CSI
CONTROVERSIES
GRACE CAMPBELL
Lerner Publications Minneapolis
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Copyright 2021 by Lerner Publishing Group, Inc
All rights reserved. International copyright secured. No part of this book may be
reproduced, stored in a retrieval system, or transmitted in any form or by any
meanselectronic, mechanical, photocopying, recording, or otherwisewithout
the prior written permission of Lerner Publishing Group, Inc., except for the
inclusion of brief quotations in an acknowledged review.
Lerner Publications Company
An imprint of Lerner Publishing Group, Inc.
241 First Avenue North
Minneapolis, MN 55401 USA
For reading levels and more information, look up this title at www.lernerbooks.com.
Main body text set in ITC Franklin Gothic Std
Typeface provided by International Typeface Corp.
Editor: Rebecca Higgins Designer: Kim Morales Photo Editor: Rebecca Higgins
Library of Congress Cataloging-in-Publication Data
Names: Campbell, Grace, 1993author.
Title: CSI controversies / Grace Campbell.
Description: Minneapolis : Lerner Publications, [2021] | Series: True crime clues
(UpDog books) | Includes bibliographical references and index. | Audience: Ages
813. | Summary: The case is closed...or is it? Lie detector tests, hair matching,
and blood splatter analysis pin the crime on the wrong person. Discover the
controversies of crime-solving and how to close the case for good Provided
by publisher.
Identifiers: LCCN 2019039931 (print) | LCCN 2019039932 (ebook)|
ISBN 9781541590588 (library binding) | ISBN 9781728401386 (ebook)
Subjects: LCSH: Forensic sciencesJuvenile literature. | Crime scene searches
Juvenile literature.
Classification: LCC HV8073.8 .C359 2021 (print) | LCC HV8073.8 (ebook) |
DDC 363.25dc23
LC record available at https://lccn.loc.gov/2019039931
LC ebook record available at https://lccn.loc.gov/2019039932
Manufactured in the United States of America
1- 47623-48107-12/6/2019
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CONTENTS
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HOW CAN SCIENCE
BE WRONG?
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Investigators solve crimes with different
techniques. But forensic science is not
always correct.
forensic: using
science to solve
legal problems
techniques: specific
ways of completing
a task
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Lie detector tests check a persons
heart rate to see if he or she is lying.
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Some people trick the test by staying calm.
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Blood spatter analysis is not always accurate.
accurate: without
mistakes
analysis: a detailed
look at something
to understand it
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Investigators look at the size and shape of
the spatter. They guess what happened.
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