兇手是：劉思遠(yuǎn) 兇手為致張觀雪死亡下入物質(zhì)A的時(shí)間是：當(dāng)天3點(diǎn)30前 兇手為致張觀雪死亡下入物質(zhì)B的時(shí)間是：5點(diǎn)30到6點(diǎn)...