What is a Crime Scene Investigator's uniform clothes?

Depends on the Departments police, anything from suit and tie to 511 pants and a polo

What, exactly, are you asking? They get vacations, days off, holidays, sick leave. . . what kind of "break" are you asking about?

25,000-55,000 annually

of course. Indeed you have to get one.

The Crime Scene Investigators role is to assess the scene and prioritize the search. He/She has to look for and collect evidence, photograph the scene, evidence, and/or body.