CRIMINAL INVESTIGATION COMPLETE
EXAM REVIEW WITH FULL SOLUTIONS
●● Determine whether a crime has been committed. Legally obtain
information and evidence to identify the responsible person. Arrest the
suspect. Recover stolen property. Present the best possible case to the
prosecutor.
Answer: What are the major goals of criminal investigation?
●● Provide emergency assistance. Secure the crime scene. Photograph,
videotape and sketch. Take notes and write reports. Search for, obtain
and process physical evidence. Obtain information from witnesses and
suspects. Identify suspects. Conduct raids, surveillance, stakeouts and
undercover assignments. Testify in court.
Answer: What basic functions do investigators perform?
●● Obtain and retain information; apply technical knowledge; and
remain open-minded, objective and logical.
Answer: What do effective investigators do?
●● They are emotionally well balanced, detached, inquisitive,
suspecting, discerning, self-disciplined and persevering. They are
physically fit and have good vision and hearing.
Answer: What characteristics are important in investigators?
, ●● Patrol officer assigned to the area where a crime has occurred.
Answer: Who usually arrives at a crime scene first?
●● Handle emergencies first. Secure the scene. Investigate.
Answer: What should be done initially?
●● Any suspect should be detained, questioned and then released or
arrested, depending on circumstances. If a suspect has recently left the
scene, officers obtain descriptions of the suspect, any vehicle, direction
of travel and any items taken. The information is dispatched to
headquarters immediately.
Answer: What do you do if a suspect is still at a crime scene? Has
recently fled the scene?
●● All necessary measures to secure the crime scene must be taken--
including locking, roping, barricading and guarding--until the
preliminary investigation is completed.
Answer: How are the crime scene and evidence protected and for how
long?
●● Questioning the victims, witnesses and suspects. Conducting a
neighborhood canvass. Measuring, photographing, videotaping and
sketching the scene. Searching for evidence. Identifying, collecting,
EXAM REVIEW WITH FULL SOLUTIONS
●● Determine whether a crime has been committed. Legally obtain
information and evidence to identify the responsible person. Arrest the
suspect. Recover stolen property. Present the best possible case to the
prosecutor.
Answer: What are the major goals of criminal investigation?
●● Provide emergency assistance. Secure the crime scene. Photograph,
videotape and sketch. Take notes and write reports. Search for, obtain
and process physical evidence. Obtain information from witnesses and
suspects. Identify suspects. Conduct raids, surveillance, stakeouts and
undercover assignments. Testify in court.
Answer: What basic functions do investigators perform?
●● Obtain and retain information; apply technical knowledge; and
remain open-minded, objective and logical.
Answer: What do effective investigators do?
●● They are emotionally well balanced, detached, inquisitive,
suspecting, discerning, self-disciplined and persevering. They are
physically fit and have good vision and hearing.
Answer: What characteristics are important in investigators?
, ●● Patrol officer assigned to the area where a crime has occurred.
Answer: Who usually arrives at a crime scene first?
●● Handle emergencies first. Secure the scene. Investigate.
Answer: What should be done initially?
●● Any suspect should be detained, questioned and then released or
arrested, depending on circumstances. If a suspect has recently left the
scene, officers obtain descriptions of the suspect, any vehicle, direction
of travel and any items taken. The information is dispatched to
headquarters immediately.
Answer: What do you do if a suspect is still at a crime scene? Has
recently fled the scene?
●● All necessary measures to secure the crime scene must be taken--
including locking, roping, barricading and guarding--until the
preliminary investigation is completed.
Answer: How are the crime scene and evidence protected and for how
long?
●● Questioning the victims, witnesses and suspects. Conducting a
neighborhood canvass. Measuring, photographing, videotaping and
sketching the scene. Searching for evidence. Identifying, collecting,
