an advance or discovery that helps solve a crime

(a)  

a fact or object that helps to solve mysteries

(a)  

something - such as a witness, statement or object - that is used as proof in a crime

(a)  

to ask questions aggressively, closely or formally

(a)  

an excuse that an accused person uses to show that he/she was somewhere else than at the scene of the crime

(a)  

an inner drive that causes a person to do something or act in a certain way

(a)  

collecting the facts and drawing a possible conclusion

(a)  

an investigator or detective

(a)  

a false lead that throws the investigator off track

(a)  

"helper" or person/animal that helps the detective investigate the crime

(a)  

person who is negatively affected by the crime or mysterious event

(a)  

the person or people who are guilty or involved with committing the crime or mysterious event

(a)  

a person who has personal knowledge about the crime

(a)  

people who seem to have a motive for committing the crime

(a)  

a person who tells on someone else or gives information on a crime

(a)