I can only speak for NY. If drugs (narcotics) are found in a vehicle and noone claims them then everyone in the vehicle can be charged with possession. If it is marijuana, then only the driver can be charged with possession. That is according to penal law in NY state. Who owns the car? Then ,who was in the car? Common sense, last person there, name on the car, Hello!
Anyone that is in a vehicle can be charged or held responsible for what ever crime has occurred.
Perhaps not routinely, but very much like airline passengers, anyone on the passenger manifest is subject to random check by the authorities.
Anyone with a proper drivers license may operate the vehicle the license is for regardless of the number of passengers the vehicle may carry. For example a standard Class F license permits the holder to operate any light truck, passenger van, or passenger car, regardless of the passengers present in those vehicles.
yes a driver can have passengers of any age AFTER they driver has had his/her licens for over a year
You will be charged if you text anyone.
Anyone.
Yes, but I believe it must remain on the car decks and can not be brought up to the passenger level. Though if you sneak it up and aren't annoying other passengers it is unlikely anyone will ask you to leave. Don't bring it into the eating areas, this will annoy other passengers.
Yes, they can be charged with murder, like anyone else.
It is called undelivered mail, which is mail that was delivered to the wrong address, and thus is not claimed by anyone.
Not for anyone on commercial air liners
They can be charged with anything anyone else can be charged with. Legally speaking, they are in no way above the law.
The airport transportation service is free to anyone who parks within the airport's parking lots, which includes passengers and non passengers picking up, waiting for, or dropping off passengers.