If law enforcement took money from you during a search and seizure and the money is held in evidence pending charges against your fiance' for possessing marijuana, the only way you are going to get the money returned is to hire a criminal defense attorney to assist you in the endeavor.If no criminal charges are filed against you or your fiance' then sooner than later the money taken will need to be returned to you. However, to get it sooner, you may need to retain a criminal defense attorney to assist you.