  المكسيك   الإكتشاف الشنيع لقبر جماعي يضم بقايا 31 شخص يبرز أزمة حقوق الإنسان المتفاقمة http      amn  st  6015BydyX
Identify the main topic of the news article and categorize it as either spiritual, human-rights-press-freedom, business-and-economy, sports, science-and-technology, education, environment, health, art-and-entertainment, or politics. Return only the label without any explanation, justification or additional text.