The MOST likely reason Robert's forensics class would study this book is: B. to learn how fingerprints were used to solve a crime.
The Chinese book from 1248 was written by Hsi Duan Yu was used to understand the difference between a victim who was drowned and a strangled person.
This book used knowledge obtained from medicine to solve crime puzzles. So, the students likely studied this bok to learn how fingerprints were used to solve a crime.
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