more information is needed. what state are you in for starters? What county? What is the local prosecutors take on this as well as the sherrifs? What are they saying as a reason not to give them back?

Basically if they are against medicinal cannabis you wont see them alive ever again. Eventually after thousands of dollars and hundreds of hours you may get their remains back but itll probably be useless by then. ut you could always sue them for loss of you medicine at that point.

If they truly agree with medicianl cannabis you may face a very small chance youll get them back.