DISPATCHES - WITNESS TO MURDER John Sweeney investigates a massacre in Mala Krusa, Kosovo, near the Albanian border. One hundred and twelve Albanian men and boys were killed and burned in a barn. Sweeney interviews families of the massacred men, and Mehmet Krasnici and Šamil Šehu, the only survivors of the massacre. Detailed interviews are also conducted with: Naile Danai (sp), Hameta Betusha, Hameta's mother, wife of Zaim Betusa (the eldest son), and two wives of the Betusa sons. PHOTO PORTRAIT: - Gezim, an Albanian refugee, describes the last time he saw his wife and children.