Joselyn Alejandra Niño

Joselyn Alejandra Niño (died on 13 April 2015), commonly referred to by her alias La Flaca (English: The Skinny One), was a Mexican suspected assassin of the Gulf Cartel, a criminal group based in Tamaulipas, Mexico. 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.

She was found dead on 13 April 2015, when Mexican authorities discovered her dismembered body inside an ice cooler at a parking lot in Matamoros. Her body had visible signs of torture. She was identified by her distinctive tattoo on her forearm displaying "Niño", her surname. At the scene, investigators also found another dismembered female and a decapitated man who were reportedly also members of Los Ciclones. A written message at the scene stated she was killed by Los Metros.

Career Joselyn Alejandra Niño was a suspected assassin of the Gulf Cartel, a criminal group based in Tamaulipas.