Await the arrival of the patrol supervisor.
Request Emergency Service Unit to respond.
Take immediate action to terminate or prevent the threat of injury.
Request the Duty Captain to respond.
The crack cannot be seized by the police without Dave’s consent only.
The crack can be seized, but not used as evidence since it was not discovered in plain view.
The crack cannot be seized, since the police did not obtain a search warrant.
The crack can be seized and be admitted in court as evidence.