motive, means, and opportunity
The prosecutor must have enough evidence, or probable cause, that the incident actually occured - that it meets the legal threshold of the offense, and that it stands a good chance of being proven in a court of law.
The police don't "press charges," they only arrest you on probable cause. It is the prosecutor's office which presses (brings) charges.
That sufficient 'probable cause' exists to support the arrest and charges of the perpetrator.
probable cause
The police officer has to have probable cause to believe a particular person commited the crime in question. In court, probable cause is NOT enough to convict you of the same crime.
"Non-conviction" criminal records are created when a court finds a person to be not guilty, the case results in a dismissal, a "no probable cause" finding or nolle prosequi (where the prosecutor does not wish to prosecute the case).
have probable cause to believe that a crime is being committed.
Lightening was the probable cause of the power shutdown. It is probable that the economic situation will deteriorate. I think lightening is the cause of the bad power .
In jurisdictions where they still exist, the answer to the question is a Grand Jury.In states which no longer (or never did) have a grand jury system, a court heraring (known as a probable cause hearing) is held where the Prosecutor's Office presents the cause for PC to a judge.
what is non adversary probable cause determination
A person is charged with a crime or infraction on the basis of probable cause (that is evidence and/or witness testimony that support a charge for an offense) by the police and/or the prosecutor. The police often decide initially what the charges are and the prosecutor either can amend the charges or agree to them, or the charges can be dropped altogether if there is not enough evidence to support them. Charges are filed by the prosecutor by information, called a charging document, or by an indictment from a grand jury.