▁president . ▁According ▁to ▁this ▁version , ▁the ▁U g and an ▁soldier ▁who ▁caused ▁the ▁alter cation ▁had ▁been ▁But ab ika ' s ▁brother - in - law , ▁and ▁his ▁death ▁in ▁a ▁shoot out ▁with ▁T anz ani ans ▁caused ▁But ab ika ▁to ▁seek ▁reven ge . ▁O thers ▁however ▁report ▁that ▁the ▁exact ▁identity ▁of ▁the ▁U g and an ▁soldier ▁remains ▁unknown , ▁and ▁that ▁But ab ika ▁was ▁li ed ▁to ▁by ▁his ▁sub ordinates ▁about ▁the ▁course ▁of ▁events ; ▁in ▁that ▁case , ▁it ▁is ▁possible ▁that ▁he ▁actually ▁believed ▁that ▁T anz an ian ▁border ▁gu ards ▁had ▁initi ated ▁host ilities . ▁▁ ▁In ▁any ▁case , ▁But ab ika ▁consequ ently ▁ordered ▁a ▁una ut hor ized ▁attack ▁on ▁T anz ania , ▁resulting ▁in ▁the ▁out break ▁of ▁the ▁U g anda – T anz ania ▁War . ▁His ▁forces ▁easily ▁over ran ▁the ▁T anz an ian ▁troops ▁station ed ▁at ▁Mut uk ula ▁and ▁Min zi ro , ▁where up on ▁he ▁tele phon ed ▁A min , ▁claim ing ▁that ▁T anz ania ▁had ▁launched ▁an ▁attack ▁and ▁that ▁he ▁had ▁respond ed ▁with ▁a ▁counter - att ack . ▁The ▁president ▁had ▁already ▁been ▁eager ▁to ▁an nex ▁T anz an ian ▁territory , ▁and ▁allowed ▁the ▁invasion ▁to ▁proceed . ▁Rein for ced ▁by ▁other ▁U A ▁det ach ments , ▁But ab ika ▁occupied ▁the ▁entire ▁K ag era ▁sal ient ▁( nor