Did an officer have probable cause to retrieve and field test a loose substance observed in Mr. Miller's vehicle, under the plain view exception to the Fourth Amendment, absent any circumstances corroborating the officer's suspicion that the substance was contraband?

QUESTIONS PRESENTED 1. Did an officer have probable cause to retrieve and field test a loose substance observed in Mr. Miller’s vehicle, under the plain view exception to the Fourth Amendment, absent any circumstances corroborating the officer’s suspicion that the substance was contraband? 2. Did officers have probable cause to search Mr. Miller’s vehicle, under the automobile exception, when they similarly lacked circumstances corroborating their suspicion? i