Understanding Police Sketches and Facial Recognition

What is one of the main challenges detectives face when trying to recreate images of suspects?

• Lack of technology

• Witnesses' inability to describe clothing

• Difficulty in accurately describing facial features

• Limited number of artists

How often are police sketches accurately identifying suspects according to UK forensic psychologists?

• In 50% of cases

• In 1% of cases

• In 25% of cases

• In 75% of cases

Which of the following is a reason why early facial recognition systems struggled?

• They used holistic face recognition

• They relied on databases of individual features

• They were too expensive

• They required too much time to operate

Why do witnesses often struggle to describe a perpetrator's face?

• They are not allowed to speak to police

• They have to convert visual memory into verbal description

• They forget the event entirely

• They are not interested in helping

What part of the face do people tend to remember better when they are unfamiliar with someone?

• The central features

• The eyes

• The outer features

• The nose

What is EvoFit designed to do?

• Focus on central facial features for better accuracy

• Create 3D models of suspects

• Replace police sketches entirely

• Identify suspects using DNA

How does EvoFit improve the accuracy of facial composites?

• By using a larger database of features

• By focusing solely on the outer features of the face

• By allowing witnesses to adjust faces based on variables like attractiveness

• By using only police officers to create sketches

What was a significant success story for EvoFit mentioned in the video?

• Finding a missing person

• Solving a cold case from the 1980s

• Identifying a serial rapist in Manchester

• Catching a bank robber

What is a common issue with police sketches despite their potential usefulness?

• They are not accepted in court

• They can be a useful prompt even if not entirely accurate

• They are too expensive to produce

• They are always inaccurate

What is the main advantage of EvoFit over traditional police sketches?

• It uses color images

• It allows for more personalized adjustments

• It is faster to produce

• It is cheaper to create