Friends of Nehir Guzman, 23, view his body during a massive funeral in the Parque de los Ninos in the donwntown of Barrancamermeja, Santander province May 19. Guzman and At least 10 people were killed and 40 others remained missing after an attack by a suspected right-wing death squad May 17. The attack was the lastest in a wave of violence that political analysts say is part of paramilitary campaign to sow terror before May 31 presidential elections