Joselyn Alejandra Niño

Joselyn Alejandra Niño, commonly referred to by her alias La Flaca, was a Mexican suspected assassin of the Gulf Cartel, a criminal group based in Tamaulipas. She gained popularity on social media on 5 January 2015, when an anonymous person uploaded a picture of her posing with a firearm in an organized crime leak page. The post identified her as a Gulf Cartel member based out of Río Bravo. As a foot soldier, she was responsible for fighting off cells of Los Metros, a rival faction of Los Ciclones, a Gulf Cartel subgroup she belonged to.