I understand why you would believe your mother over your stepfather, but I tend to believe the innocent party is whoever's missing-- and presumed dead.
During the four years of conflict that devastated the Bosnian nation in the early '90s, approximately 30, 000 citizens, mainly civilians, went missing, presumed killed, and another 100, 000 were killed during combat operations.
なんで 継父以上 母親を信じてるか理解してる でも 行方不明の人は 無実だと信じる傾向がある - と死んだと推定される 