We flew from Mendoza to BA on Aerolineas. Because of the severe carry on limitaions we had to check our small carry on, zippered bags. They were locked (although it's a cheap lock). All seemed normal when we picked up the bags in BA. However, upon unpacking in our hotel we found they both had been gone thru. All inside zippers were unzipped. Camera case, make up bag, etc were all left unzipped and contents in disarray. Items missing. Of course, the airline is not responsible since we did not file a claim before leaving the airport. I saw several bags that had been fully wrapped in plastic - now I understand why!