authorities in washington have speculatedthat the disturbed man , who after several harrowingattempts finally escaped from a maximum-securitycamp in north vietnam years ago , traveling over ahundred miles through enemy ... dschungel ... jungle to reach his lines , is reliving his ownexperiences ... . his jusfffication forsurvival according to a military psychiatrist is thekilling of superior officers , past or present , whogave orders in combat , or , in the extreme , evencivilians who in his imaginings bore someresponsibility for the suffering he and othersendured .