Official sources have confirmed that Iván Archivaldo Guzmán is one of the people abducted by armed men.
A group of six or seven people suspected to be members of Guzmán's Sinaloa Cartel were abducted by eight armed men from an upscale eatery in the heart of the resort early on Monday.
Jalisco state prosecutor Eduardo Almaguer said at a news conference that preliminary results of the investigation indicated that all involved - kidnappers and kidnapped - were members of criminal organizations.
Minerva Flores Salazar was found in the village of El Cerrito, in the town of Amatitlán.
Anabel Flores Salazar, a crime-beat reporter for a local newspapers, was dragged from her home in Orizaba, Veracruz by armed assailants on Monday.