What is it to accuse a polition of wrong doing?

Generally speaking, if a person is accused of "wrong doing", it means that the person is being accused of a crime or an act that can harm themselves. Here's an example. If a person, has a mental disorder that causes the person to purposely cut themselves with a razor, this is wrong doing. Perhaps illegal depending on the circumstances. If that person cuts someone else with the razor that's a crime, falling under assault laws.