MARIKINA traffic chief Renato Sto. Domingo, 62, was shot dead in broad daylight on Tuesday by still unidentified suspects. Marikina City police chief Sr. Supt. Vincent Calanoga said Sto. Domingo was declared dead-on-arrival at the hospital. The suspects left leaflets wherein they identified themselves Parisano Armadong Operatiba Partido Rebolusyon Para Sa Sosyalismo members. They also accused Sto. Domingo of extortion and being involved in some irregularity in his office. The police are still determining the motive behind the attack.