▁Jews , ▁conducted ▁ra ids ▁and ▁guard ed ▁gh ett os , ▁loaded ▁con vo ys ▁to ▁execution ▁sites ▁and ▁cord oned ▁them ▁off . ▁There ▁is ▁a ▁possibility ▁that ▁some ▁ 3 0 0 ▁auxili ary ▁polic emen ▁from ▁K iev ▁helped ▁organ ize ▁the ▁mass acre ▁in ▁Bab i ▁Y ar . ▁They ▁also ▁took ▁part ▁in ▁the ▁mass acre ▁in ▁D n ip rop et rov sk , ▁where ▁the ▁field ▁command ▁noted ▁that ▁the ▁co operation ▁ran ▁" sm ooth ly ▁in ▁every ▁way ". ▁C ases ▁where ▁local ▁command ants ▁ordered ▁murder ▁of ▁Jews ▁using ▁police ▁force ▁are ▁known . ▁In ▁kill ings ▁of ▁Jews ▁in ▁K ry vy ▁R ih ▁the ▁" ent ire ▁Ukrain ian ▁auxili ary ▁police " ▁was ▁put ▁to ▁use . ▁ ▁Per sec ution ▁of ▁Pol es ▁Def ining ▁national ity ▁of ▁Ukrain ian ▁polic emen ▁using ▁present - day ▁class ifications ▁is ▁problem atic , ▁because ▁in ▁German ▁occupied ▁eastern ▁Poland ▁( see : ▁District ▁of ▁Gal icia ) ▁there ▁was ▁no ▁per ception ▁of ▁de ▁j ure ▁Ukrain ian ▁independent ▁state hood . ▁Some ▁Ukrain ian ▁Hil f sp ol ize i ▁who ▁har bor ed ▁a ▁path ological ▁hat red ▁for ▁Pol es ▁and ▁Jews ▁– ▁resulting ▁in ▁acts ▁of ▁mass ▁murder ▁– ▁remained ▁formally ▁and ▁leg ally ▁Polish ▁from ▁the ▁time ▁before ▁the ▁invasion ▁until ▁much ▁later . ▁Th irty ▁years ▁after ▁the ▁war ▁ended , ▁one ▁former ▁Ukrain ian ▁polic eman , ▁Jan ▁Mas ł owski ▁(