they use witnesses to identify the suspect or tell what happened at the scene
The only way a police office can write a report of an accident he did not witness is to take statements from people that did witness the accident. He can also look at the accident and determine how it most likely occurred.
they help do stuff like look after police in the area, state government and other stuff
A line up is an opportunity for a witness to look at a group of people and identify a person they saw. This may be done 'live' or with photographs (usually booking photos or driver license photos) and is intended to help with positive identification of subjects.
Because you repeat investigation to look for errors.
The witness should look at the person administering the oath when taking the oath.
None. If you were the complaining witness on the offense, your name will HAVE to appear in the police report as the basis for the police responding in the first place. Since all police reports are public records, ANYONE can look up the information.
The police do make arrests on weekends, all the time.BUTPolice are people, they like weekends off if possible, so a lot of long investigations have arrests made during the week and reported during the week. That's why it look like no arrests are made on weekends.
Talk to them, help them get help. Go talk to the police or a trusted adult. There is always help if you are willing to look for it. Look in your local phone book or online for a crisis number that you can ring and get help.
they help do stuff like look after police in the area, state government and other stuff
Local police duties include maintaining public safety, enforcing laws, responding to emergencies, conducting investigations, patrolling neighborhoods, and working to prevent crime. They also provide assistance to the community and support other emergency services when needed.
Police look for everything that may have something to do with the crime. Fingerprints, genetic material like blood and skin fragments, and certain materials left behind that may identify the person that committed the crime.
look in the yellow pages under private investigators / lawyers and ask the same question.