Aramex lost or stole my package and said I need to sort it out myself.

They "misplaced" a package from Amazon US and when I asked where it was they told me to chat to the supplier who they said never gave it to them. However I can clearly see on their tracking it was collected by them. Even when I showed them they were not willing to assist further. Global Aramex tells me to talk to Aramex SA and they in turn tell me Global never gave it to them. But once again on the tracking it records the handover. They could not help me further and I was told to try sort it out myself. After weeks I luckily got a refund from Amazon. I will put an instruction on my Amazon account never to use Aramex again for me. I actually suspect that that someone at Aramex SA liked what they saw and kept it for themselves.