Five people have been arrested in connection with the kidnappings and slayings of four Americans near the Brownsville, Texas border last week. Video of the violent abduction quickly spread online, prompting an apology from the Scorpions faction of the Gulf cartel. Mexican officials have also seized five vehicles, including a Lamborghini stolen on U.S. soil, as part of a joint operation. The five people arrested face charges of aggravated kidnapping and intentional simple homicide.