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Here are some specific examples of how computer databases and information networks have been used in criminal investigations:

• In 2018, police in California used a facial recognition database to identify a suspect in a series of robberies. The suspect had been wearing a mask during the robberies, but the facial recognition database was able to identify him based on a photo of him from a previous arrest.
• In 2019, police in New York used a social media database to identify a suspect in a murder. The suspect had posted incriminating messages on social media after the murder.
• In 2020, police in the United Kingdom used a financial database to identify a suspect in a fraud scheme. The suspect had used stolen credit cards to make purchases online.

Computer databases and information networks are essential tools for modern criminal investigations. They allow law enforcement to access and analyze large amounts of data quickly and efficiently, which can help them to solve crimes and bring criminals to justice.

In addition to the examples above, computer databases and information networks can also be used in criminal investigations to:

• Identify witnesses: Law enforcement can use computer databases to identify witnesses to crimes. For example, they can search for people who were in the vicinity of a crime scene at the time of the crime.
• Locate missing persons: Law enforcement can use computer databases to locate missing persons. For example, they can search for people who match the description of a missing person.
• Fight terrorism: Law enforcement can use computer databases and information networks to fight terrorism by identifying and tracking potential terrorists and disrupting terrorist plots.

Computer databases and information networks are powerful tools that can be used to improve the effectiveness of criminal investigations. However, it is important to use these tools in a responsible and ethical manner. For example, it is important to protect the privacy of individuals and to avoid using these tools to discriminate against certain groups of people.