Final answer:
Probable cause is the minimum amount of information necessary to cause a reasonable person to believe that a crime has been or is being committed by a particular person. It is the legal standard used by law enforcement officers to justify a search, seizure, or arrest.
Step-by-step explanation:
Probable cause is the minimum amount of information necessary to cause a reasonable person to believe that a crime has been or is being committed by a particular person. It is the legal standard used by law enforcement officers to justify a search, seizure, or arrest.
In the scenario given, if the police have reasonable suspicion that one of the individuals has committed armed robbery based on the evidence of carrying an unlawful weapon, they may have probable cause to further investigate and gather more evidence to support their suspicions.
Probable cause is determined based on the totality of circumstances, which means that all available information and evidence is taken into account to make an informed decision.