Am just not happy with your dishonest delivery team

I work at Amber luxury Venue as Executive Chef, last Friday I got a delivery around 9:20am when I receive the order all my invoice were ticked off as far as am concerned I was the only one who is allowed to tick the invoices to check everything is there and sign. Now let me tell what's ****ed me off, they came with all the orders they say, and I asked them to not leave without me checking everything is here and guess what the was a lot missing when I asked the delivery man where is the rest of the groceries because am missing a lot here and he said I took out everything, then I showed him what's missing then he went back to the truck and came back with all the missing groceries, I asked him when you said to me you are done offloading what was that all about, he couldn't answer. If I didn't go through that invoice they were not gonna say anything, and that's *****ing and I was gonna lose my job. I was ****ed off the whole day. I still need answers.