Opioid drugs were found in my car, but they are not mine. I was arrested. Do I need…

Yes, absolutely. In Florida, the authorities are permitted to prosecute you and convict you if the drugs were not actually in your possession. It’s called constructive possession. That means even if the items were found in your briefcase, in the trunk of a car, you may still be prosecuted, so you do need an attorney to challenge that, and challenge the state attorney’s burden to prove that it was your drugs.