Final Answer:
Physical evidence is found at crime scenes, victim's bodies, and in suspect's belongings. These locations serve as crucial sources for investigators, providing valuable clues such as fingerprints, DNA, and weapons. The systematic analysis of evidence from these three locations forms the foundation of a comprehensive and compelling criminal investigation.
Step-by-step explanation:
Physical evidence in criminal investigations is crucial for reconstructing events and building a comprehensive case. Crime scenes are primary sources, providing a wealth of information. Investigators meticulously collect and analyze evidence such as bloodstains, fingerprints, and weapons, aiming to understand the sequence of events and identify potential suspects. This initial step is fundamental for establishing the facts surrounding the crime.
The victim's body is another vital location for physical evidence. Autopsies can reveal injuries, trace substances, or biological materials, aiding in determining the cause and manner of death. DNA analysis from the victim's body can link suspects to the crime, providing a powerful tool for law enforcement.
Examining the suspect's belongings is equally important. Personal items may contain fingerprints, DNA, or other traces linking them to the crime scene or victim. This evidence strengthens the connection between the suspect and the criminal act.