I'm driving in one direction and inform other Waze drivers of a vehicle on my side, but when I'm heading back, I notice that the vehicle I tagged earlier is gone. I would like to be able to have the option to click "not there". This goes for police as well because there are times where a cop is posted, but when I get to the area, it's gone. I believe people are just posting that a vehicle or cop is there as a " joke". There should be a way to stop that as well. Send me an email if this is possible. Thanks