Investigative Techniques in Criminal Cases

During a criminal investigation, Ava is tasked with determining the primary application of forensic science. Which of the following should she focus on?

• Analysing financial records

• Examining physical evidence

• Conducting psychological evaluations

• Negotiating with suspects

Detective Sophie is conducting an investigation and needs to interview several witnesses. What is the main purpose of using interview techniques in her investigation?

• To intimidate suspects

• To gather information and evidence

• To entertain the interviewee

• To confuse witnesses

During a cybercrime investigation, which of the following is a common method for collecting digital evidence?

• Fingerprint analysis

• DNA sequencing

• Data extraction from electronic devices

• Ballistics testing

Aarav, a crime scene investigator, arrives at a burglary scene. What is the first step he should take in crime scene analysis?

• Collecting evidence

• Securing the scene

• Interviewing witnesses

• Arresting suspects

During a court case, which factor is crucial when evaluating Scarlett's testimony?

• The witness's attire

• The witness's memory and reliability

• The witness's social status

• The witness's handwriting

During a school project on security, Grace and Arjun are tasked with investigating how surveillance methods can aid in solving cases. What is a key advantage of using surveillance methods in investigations?

• They are always legal

• They provide real-time evidence

• They are inexpensive

• They require no technical skills

During a criminal investigation, the police found a small sample of blood at the crime scene. Which forensic science technique should they use to identify the suspect based on their unique genetic makeup?

• Ballistics analysis

• DNA profiling

• Toxicology testing

• Handwriting analysis

Detective Oscar is conducting an interview with a suspect in a recent burglary case. What is the primary goal of this interview?

• To establish rapport

• To obtain a confession

• To provide legal advice

• To entertain the suspect

Mia is working on a case where she needs to collect digital evidence from a suspect's computer. What is one of the challenges she might face in this process?

• It is always encrypted

• It can be easily altered or deleted

• It is always stored in the cloud

• It is always in a foreign language

During a school field trip to a forensic lab, Chloe and Amelia learned about the importance of maintaining a chain of custody. What is the significance of this practice in crime scene analysis?

• To ensure evidence is not lost

• To keep the crime scene clean

• To prevent media access

• To protect the identity of witnesses