A daring ambush of two men believed to be hired killers led to the brutal killing of a jail guard and wounding of an old man on Wednesday evening in Caloocan City. Police said 27 year-old Jail Officer 1 Marwan Christopher Arafat died on the spot after he was shot several times at point blank with a caliber 40 pistol. Enerejo Silorico, 76, was hit by a stray bullet. Silorico was rushed to the Caloocan City Medical Center for treatment. The two suspects fled after the crime.