a piece of evidence that helps to solve a mystery or problem

(a)  

to do something illegal; to break the law

(a)  

a person who commits any type of crime

(a)  

a person (often a trained police officer) who investigates crimes and gathers information

(a)  

an impression left on any surface that consists of patterns made by the ridges on a fingertip

(a)  

a meeting of two or more people face to face, especially for consultation

(a)  

to look into something very closely; to study it in great detail

(a)  

a person who is believed to have possibly committed a crime

(a)  

having or showing a cautious distrust of someone or something

(a)  

a person who robs a place or steals something from someone

(a)  

responsible for doing something bad or wrong

(a)  

a chance or a set of circumstances that makes it possible to do something

(a)  

to stop something from happening before it occurs

(a)  

to tell the police or someone in authority that an accident or crime has happened

(a)  

something that could be dangerous to do

(a)  

to find the explanation or the reason to a mystery, a question, a problem, etc.

(a)  

to take something without the permission or knowledge of the owner and keep it

(a)  

to use special equipment to find the location of a car, a person, a mobile phone, etc.

(a)  

a person harmed, injured, or killed as a result of a crime, accident, or other event or action

(a)  

someone who sees a crime, accident or event and reports what happened

(a)