Story By: Ana Lacasa, Sub Editor: Joseph Golder, Agency: CEN WARNING: DISTRESSING CONTENT Video Credit: AsiaWire This is the moment a young boy screams in horror as his mum lies dead in the street after being shot by men on a motorbike. The mother-of-four, identified as 36-year-old Maria del Pilar Hurtado, was gunned down in the town of…