Since the Sinaloa Federation announced its incursion into Los Zetas-controlled Nuevo Laredo by displaying seven dismembered bodies with a narcomanta in the border city March 26, the cartels and their allies have waged a dueling campaign of such displays . The victims in the displays have been low-level cartel members — if they had cartel connections at all — meaning their killings offered little tactical advantage to their executioners. Instead, these public displays of violence are intended to convey messages to the public, to undermine their rivals' support bases and to put pressure from military and law enforcement on their rivals. Narcomantas are useful for spreading disinformation, particularly when paired with large displays of corpses. This is because authorities rarely verify claims of authorship on narcomantas, which provides a low-risk opportunity for organized criminal groups to create a narcomanta and attribute it to whomever they wish.