Snape Kills Dumbledore

PAGES: 595-596

After Dumbledore pleads with him, Snape casts the Killing Curse, hitting Dumbledore directly in the chest. Dumbledore is blasted off the Astronomy Tower and falls out of sight. Harry, still paralyzed by Dumbledore's spell, watches helplessly as Snape betrays Dumbledore, leaving him horrified and speechless.