I'm in Police Technology and I made this glossary that contains words related to this field. It will help police officers and future police officers who do not know what some specific words mean in English. There are 20 words and all we need to know about thees are mentioned. I made it with the Virtual Writing Tutor and I found the words in the book "Actively Engaged Online" at pages 309 to 314.
accused
noun
A person or group of people who are charged with or on trial for a crime.
Example: The accused was ordered to stand a trial on a number of charges.
en: accusé(e)
arrest
verb
Seize (someone) by legal authority and take into custody.
Example: The police arrested him for possession of marijuana.
en: arrêter
bulletproof vest
noun
A vest capable of resisting the impact of a bullet.
Example: The police officer put his bulletproof vest to protect himself.
en: gilet pare-balles
clue
noun
A piece of evidence or information used in the detection of a crime or solving of a mystery.
Example: Police officers are still searching for clues.
en: indice
court
noun
A tribunal presided over by a judge, judges, or a magistrate in civil and criminal cases.
Example: She will take the matter to court.
en: cour
criminal
noun
A person who has committed a crime.
Example: These men are dangerous criminals.
en: criminel/criminelle
discretionary power
noun
A power that police office have that allows them to remain silence.
Example: They exercised their discretionary power for a purposes other than the one they were granted.
en: pouvoir discrétionnaire
drug
noun
A medicine or other substance which has a physiological effect when ingested or otherwise introduced into the body.
Example: He was arrested with 5 kilograms of drug.
en: drogue
hostage
noun
A person seized or held as security for the fulfillment of a condition.
Example: Three hostages were released but only after their families paid an estimated $200,000 to the guerrillas.
en: otage
investigation
noun
The action of investigating something or someone; formal or systematic examination or research.
Example: He is under investigation for receiving illicit funds.
en: investigation
jail
noun
A place for the confinement of people accused or convicted of a crime.
Example: He served 15 months in jail.
en: prison
killer
noun
A person who kills.
Example: Police are still searching for the killer.
en: tueur
law
noun
The system of rules which a particular country or community recognizes as regulating the actions of its members and which it may enforce by the imposition of penalties.
Example: They were taken to court for breaking the law.
en: loi
motive
noun
A reason which urges somebody to commit this crime.
Example: He mentioned the motive of his crime.
en: motif
murder
noun
The unlawful premeditated killing of one human being by another.
Example: The murder of her mother appeared in the news the next morning.
en: meurtre
peper spray
noun
An aerosol spray containing oils derived from cayenne pepper, irritating to the eyes and respiratory passages and used as a disabling weapon.
Example: He uses his pepper spray to make the crowd steps back.
en: vaporisateur de poivre
plea of guilty
noun
A statement by an alleged offender that they have committed the offence with which they are charged.
Example: He chooses the plea of guilty of the crime he was accused of.
en: plaidoyer de culpabilité
radar
noun
A system for detecting the presence, direction, distance, and speed of aircraft, ships, and other objects, by sending out pulses of high-frequency electromagnetic waves that are reflected off the object back to the source.
Example: The speed of the car is detected by the radar of the police officer.
en: radar
robbery
noun
The action of taking property unlawfully from a person or place by force or threat of force.
Example: He was involved in drugs, extortion, and robbery.
en: vol
victim
noun
A person harmed, injured, or killed as a result of a crime, accident, or other event or action.
Example: The victim is interviewed by the investigator.