What city, formerly known as Pitic, had an newspaper that formed an alliance as Frontera?
Frontera (Tijuana):  It was founded in 1999 under an alliance between the "Crónica" of Mexicali and "El Imparcial" of Hermosillo. Hermosillo: Hermosillo (] ), formerly called Pitic (as "Santísima Trinidad del Pitic" and "Presidio del Pitic") is a city located centrally in the northwestern Mexican state of Sonora.
Hermosillo