According to his declarations, the decision of leaving the Party wasn't something recent.
He didn't made any public appearances for a month and during this time he met with the President to talk about his future. According to Sinibaldi Otto Perez Molina showed respectful and understood the reasons he gave to quit from the official party. On the next days, he will give a press conference to let know about his future in politics, because he claims to have several invitations from different political organizations, congressmen and majors. But, he hasn't decided yet what he will do.
The Reasons:
Adlelgedly there are differences among the Vice President Roxana Baldetti who was blocking the way to achieve his campaign objectives. He also declared that the latest scandals in which the Vice President was involved were several drops that flooded the glass and he said that he didn't shared anymore the party's criteria.
The scandals which Sinibaldi made reference were escentially the one from Amatitlan's Lake, a 137 million quetzales project (about $17 millions ) that pretended reduce the water's contamination with a "magical liquid" of dubious origin. The crisis of public health in which there is not enough food, medicine and working material for laundry and medical labs, as well as the most recent one, in which the Vice President might be involved in a band of transnational defrauders.
Links to the news:
Sinibaldi renuncia de la Secretaria General del Partido Patriota
Sinibaldi renuncia del Partido Patriota