Money and inventory disappearing from car - mission spoiler

[R@S]

The disappearing items from the truck is a well known issue that had been there since the game was released. What you need to do is empty the car before you talk to Krauff in Cali-Cantinos. Since the HLA guys now have made a function that could solve this I might consider fixing it. But it'll have to wait until I have time. for boooring stuff

I think you're forgetting that you paid the border patrol a bribe to let you pass into Palinero. I think that's where you missing 20k went