In Illinois V.Caballes,the Supreme Court Ruled That

In Illinois v.Caballes,the Supreme Court ruled that:

A) Drivers of automobiles have a reasonable expectation of privacy that protects them from the use of drug- sniffing dogs without a warrant.
B) Drug-sniffing dogs can only be used if there is reasonable suspicion the driver has narcotics.
C) Drug-sniffing dog searches are prone to many errors and are so intimidating that officials must have probable cause to use them.
D) The use of well-trained drug-sniffing dogs to expose contraband items that would remain hidden in a routine traffic stop,does not intrude on a driver's reasonable expectation of privacy and the Fourth Amendment does not apply.