In order for detectives to investigate effectively they can rely on Martin Innes three-pronged approach. What are the three-prongs?
Specific focus: interview witnesses, gather evidence, record events and collect facts at the immediate crime scene.
General coverage: 1.canvass the neighborhood and make observations. 2. conduct interviews with friends, families and associates. 3. contact coworkers or employers for information about victims and suspects. 4. construct victim/suspect timelines to outline their where abouts prior to incident.
Informative: use modern technology to collect records of cell phones, computer hard drives, diaries, notes, and documents.