The first person often credited with investigating criminals in a systematic way is Cesare Beccaria, an Italian philosopher and criminologist from the 18th century. His work, particularly the book "On Crimes and Punishments" published in 1764, laid the groundwork for modern criminal justice and emphasized the importance of evidence and rational thought in understanding crime. However, formal criminal investigation as a profession began to take shape in the 19th century with figures like Eugène François Vidocq, who is considered the first private detective.
to stop criminals and to investigate a crime seen
Tradk and Arrest Criminals, investigate cyber crimes, fraud, kidnapping, murder.
The job of FBI agents is to investigate actual or suspected violations of federal law, and to arrest criminals whom they identify in the course of their investigations.
He was famous because he was the first person to investigate the effect that doubling the atmospheric carbon dioxide would have on global climate.
When criminals are normally committing crime for monetary gain this to effectively investigate a something criminal, it is always fruitful to work out where any money has gone.
They claimed to have witnessed the crime in question.
there were an alien investigate
If by "investigate" you mean run a criminal background check and conduct an interview, then yes. If you mean a deeper probe into that person's past, it is unlikely.
inspector
Yes, the governor has the power to pardon criminals, which means they can forgive or excuse a person convicted of a crime and potentially reduce or eliminate their punishment.
The person who performs the execution is called the executioner.
Yes, unless that person's account is public.