Vice presidential elections were held in Guatemala on September 16, 2015. In April 2015, international prosecutors, with help from the UN, presented evidence of a customs corruption ring ("La Línea") in which discounted tariffs were exchanged for bribes from importers; prosecutors learned of the ring through wiretaps and financial statements.[1] Vice President Roxana Baldetti resigned on 8 May, and was arrested for her involvement on 21 August.[2] On 21 August, Guatemalan prosecutors presented evidence of Pérez's involvement in the corruption ring.[3] Congress, in a 132–0 vote,[3] stripped Pérez Molina of prosecutorial immunity on 1 September 2015, and, on 2 September, he presented his resignation from the Presidency.[1]
On 3 September, after a court hearing in which charges and evidence against him were presented, he was arrested and sent to the Matamoros prison in Guatemala City.[1] Vice President Alejandro Maldonado Aguirre was appointed to serve the remainder of Pérez's 4-year term in office (due to end on 14 January 2016).[4]