Shining Path birthday celebration for Guzmán in Lurigancho prison in December 1990. "Without Presidente Gonzalo, we would have nothing." At the same time, the Shining Path suffered embarrassing military defeats to self-defense organizations of rural "campesinos" — supposedly its social base. When Guzmán called for peace talks, the organization fractured into splinter groups, with some Shining Path members in favor of such talks and others opposed. Guzmán's role as the leader of the Shining Path was taken over by Óscar Ramírez, who himself was captured by Peruvian authorities in 1999. After Ramírez's capture, the group splintered, guerrilla activity diminished sharply, and peace
Shining Path Altos massacre, both of which were committed by Grupo Colina. After the collapse of the Fujimori government, interim President Valentín Paniagua established a Truth and Reconciliation Commission to investigate the conflict. The Commission found in its 2003 "Final Report" that 69,280 people died or disappeared between 1980 and 2000 as a result of the armed conflict. The Shining Path was found to be responsible for about 54% of the deaths and disappearances reported to the Commission. A statistical analysis of the available data led the Truth and Reconciliation Commission to estimate that the Shining Path was responsible for the death