Walter Patricio "Guacho" Arízala Vernaza

Walter Patricio Arízala Vernaza, also known as William Quiñonez or Luis Alfredo Pai Jiménez, (9 November 1989 – 21 December 2018),[1][2] better known by his nom de guerre Alias Guacho was an Ecuadorian, member of Revolutionary Armed Forces of Colombia (FARC), after 2016 peace agreement became a FARC dissident.

A native of Valdez, Esmeraldas, Ecuador,[3] Arízala joined the Revolutionary Armed Forces of Colombia (FARC) in 2007.

[6] He participated in the peace process between FARC and the Colombian government, but broke away in 2017, choosing not to acknowledge a ceasefire brokered in June 2016.

[8] Arízala's faction was based in Nariño Department, where it often engaged with the United Guerrillas of the Pacific, led by another FARC dissident.

[9] Under his leadership, the Oliver Sinisterra Front captured and killed two journalists and their driver in April 2018,[10] and separately held an Ecuadorian man and woman.