help us find Danielle

We are trying to find our missing  family member my sister that has went missing over two weeks ago. Her mother billie jo dick has had a search party ready to go from her hometown in maine but the town of fortuna said they are not allowed.. the police department does not care and said she is 23 and is a voluntary a missing person because of her age... Danielle bertolini our missing sister would not just stop talking to her family.. please help we need a search party out there finding Danielle.  Danielle got a ride but never showed up where she was supposed too.. the guy who gave her a ride still has our sisters stuff in his vehicle and is not saying anything... Please help we need a search party out there shes a missing person not a runaway.. or please call the police department of fortuna California  we need to get a search party started