A vigil is held in Uvalde, Texas for the victims of the mass shooting at Robb Elementary School yesterday that left 19 children and 2 teachers dead. In an emotional tribute, 10-year-old Lexi Rubio who tragically lost her life in the massacre, is remembered by her Great-Grandfather Julian Moreno. Eualio Diaz is a Uvalde Justice of the Peace. He joins to speak out about his role in identifying the shooting victims and comforting their families. Gun legislation has been at a stalemate in Congress for years. CNN Senior Political Analyst John Avlon joins to discuss where Americans agree on gun reforms, and Former FBI Deputy Director Andrew McCabe joins to discuss what we know so far about the investigation into the Uvalde shooting. Plus, CNN examines the laws allowing 18-year-olds to buy assault rifles, and relatives of the Parkland & Sandy Hook massacre victims join to speak out on the horror in Texas. To learn more about how CNN protects listener privacy, visit cnn.com/privacy