Yes, that is how the majority of crimes are reported. Either by the individuals against whom the crimes were committed, or un-involved witnesses.
The FBI publishes Uniform Crime Reports that will help you.
Different crime reports have different errors. The Uniform Crime Report overlooks unreported crimes. Offender self-reports are questionable because offenders are wary to admit guilt while in custody. The National Crime Victimization Survey asks questions of people who may not know the proper terms to describe their experience.
Law enforcement agencies in the United States participate in the Uniform Crime Reporting (UCR) system. This includes federal, state, local, tribal, and campus law enforcement agencies that voluntarily report crime data to the Federal Bureau of Investigation (FBI) for inclusion in the UCR program.
The part one crimes are divided into violent and property crimes. Aggravated assault, forcible rape, murder, and robbery are classified as violent. Arson, burglary, larceny(theft), and motor vehicle theft are classified as property crimes. Part II crimes are tracked, but much less specifically.
I'm sure. Where ever there are people and society, there is bound to be crimes.
911 dispatcher.
A manager with reports has people who report to him and take direction from her. A manager without reports does not have any people reporting to him.
A socially responsible citizen reports crimes to the police, no matter who has committed them. Of course, when the crimes were committed by your employer, there could be unfortunate consequences for you, such as losing your job.
Because they are accused of crimes it does not mean they committed those crimes.
People that commit these crimes are not blameworthy.
Petty crimes such as beating the hell out of people.
Yes they do but not exclusively. People from all walks of life commit crimes and start fires, not just the homeless and not all homeless people commit crimes and start fires.