Can a driver give consent to search a passenger's possessions?

The following is a computer-generated transcription, some grammar and spelling errors may be inherent

Hey guys, it's Anthony Bandiero here with Blue to Gold Law Enforcement Training. I'm in beautiful Lafayette, Louisiana teaching at the parish, which is the county. That's what they call it, the County Sheriff's Department. And a question was asked whether or not a driver may consent to search not only the vehicle, right, but also passenger's possessions?

The answer is maybe this is what the law says, Does the officer reasonably believe that the driver has common authority over those passengers' possessions? And common authority comes in three flavors? One, do you reasonably believe they have mutual use, or joint access or control? One of those three, sometimes more than those three, sometimes all of them, for example, m ...