MCOLES State Licensing Practice Exam

During a preliminary investigation at a crime scene, what should be your first action?

1. Document any weapons present

2. Gather information leading to identification of suspects, complaints, witnesses, and other significant persons

3. Conduct a thorough search for potential evidence

4. Collect forensic samples immediately

The correct answer is: Gather information leading to identification of suspects, complaints, witnesses, and other significant persons

In the context of a preliminary investigation at a crime scene, gathering information that leads to the identification of suspects, witnesses, and other significant persons is the most essential first action. This step is critical because it helps establish the context of the investigation early on. By identifying potential witnesses and suspects, you can begin to piece together the sequence of events and understand the circumstances surrounding the crime. This initial phase of information gathering allows investigators to establish a rapport with witnesses, secure their statements while the events are still fresh in their minds, and identify any immediate suspects who may be involved. It creates a foundation for the investigation and informs the direction of subsequent actions, such as searching for evidence or collecting forensic samples. Other actions, such as documenting weapons or conducting searches, are undeniably important, but these often depend upon the initial gathering of information. Without understanding who is involved and the background of the incident, subsequent steps may lack focus and effectiveness. Therefore, prioritizing the identification of key persons directs the investigative efforts in a more strategic and informed manner.