Complex sentence: Israpilov took part in both the Budyonnovsk hospital hostage crisis and the Kizlyar-Pervomayskoye hostage crisis and was killed in the winter of 2000 during the retreat of the CRI from Grozny during the Second Chechen War.
Split into simpler sentences: Israpilov took part in both the Budyonnovsk hospital hostage crisis and the Kizlyar-Pervomayskoye hostage crisis. He was killed in the winter of 2000 during the retreat of the armed forces of CRI from Grozny during the Second Chechen War.