Ltpgt interested in learning the basic principles of the science used in crime scenes or maybe youre more curious about the motivation behind the crime take a look at these coursesltpgt ltpgt many crimes are solved by a smoking gun such as an eyewitness or being caught in the act other crimes are more complex to solve and require forensic evidence to identify and prove the perpetrators guilt forensic science has become the modern smoking gun to help solve many of these ca