Are you able to track his location with his cellphone? For example, Verizon has a family service that gives you the location of each person on the accounts phone without them having to share the location with you. Just for peace of mind since you feel his life may be in danger. Doesn't work if the phone is off and sometimes it's a while before they reconnect to the Internet work and get their phone charged. I only recommend this if you feel their life is in danger.
The light of hops is that He has made it through these things on his own before dozens of times. You checked the police and hospitals so he is most likely hooked up with some other "free spirits" on the street and possibly avoiding you guys since he got the ticket to Jacksonville. Take a deep breath and remind yourself that Florida in January is not a bad place to be, these things are out of your control and maybe think of attending a nar-anon family meeting via zoom - it helps. Try the calm app for meditation and breathe. You've done everything within your power, it is out of your control. Be kind to yourself and find time to rest your mind from the worry.
