checkers liquor sold me unsafe beverages

i bought Bernini yesterday my younger sister drink other and when i was drinking mine i realized that it had expired and had small white particles i called checkers and Ashley was so protective of their drink yet i told him my sister is not feeling well after drinking , . how can they sell us beverages that i have expired and not even feel remorseful after i told them what has transpired , this thing tasted weird and its unsafe ,, i want to take it further as they seem to not even care about everything randburg ferndale ,,,