questions

1. What is forensic science?
Forensic Science is the application of science to questions which are of interest to the legal system as well as social sciences such as archaeology.
It uses all kind of evidences to solve criminal cases.

2. What kind of evidence can be collected in a murder case?
Everything in a crime scene is helpful, fingerprints, footsteps, blood, body fluids, bruises in the body, hair, nails, any kind of weapon, etc. Also, investigators need to examine the body and see if there's something out of place, weird, etc.

3. Why is important to determine the time of death?
Because if the investigators knows the time of death, he or she can know since when its dead, and that could help in the investigation, to know which suspects can be the murderers, above other things.