Who is a police investigator and what do they do? The task of a police investigator is to investigate crimes.
What are the activities of the police investigator job? Investigation at the scene of the crime – interrogation of the victims, witnesses and suspected persons – collation of the information gained, analysis of the investigated crimes – work with registers of persistent offenders and other computer aids for investigating crime – arresting suspects – interrogation of arrested people – composing reports on the course of interrogations – transferring investigated cases to the prosecutor – possibly giving evidence in court – possibly informing the media about crime, about the progress and the results of the investigation, if there is no press-officer available – cooperation with other police units (in case of international crime with police representatives of other countries or with their interpreter, possibly with other institutions, e.g. government offices, the army etc.
Where is it done and under what conditions? Either in offices or similar rooms, or on the spot, which includes almost any varied place. So varying weather conditions and work outside normal working hours must be expected.
What tools/equipment do they use? Current office equipment, including computers, or exceptionally, firearms.
What do you need to succeed? You need appropriate police training (preferably at a police academy or training school) or a university faculty of law; you also need to be physically and mentally fit, have the ability to work systematically, to put facts together and make sense of them, rapid and accurate responses, deductions and decisions, reliability.