G .. ▁Po ole ▁also ▁investig ated ▁the ▁killing ▁of ▁L AP D ▁Officer ▁Kevin ▁G aines ▁by ▁L AP D ▁Officer ▁Frank ▁Ly ga ▁on ▁March ▁ 1 8 , ▁ 1 9 9 7 . ▁After ▁ret iring ▁in ▁ 1 9 9 9 , ▁he ▁formed ▁a ▁private ▁detect ive ▁ag ency . ▁ ▁Early ▁career ▁▁ ▁The ▁son ▁of ▁a ▁ 2 7 - year ▁L . A . ▁County ▁Sher iff , ▁Po ole ▁would ▁" follow ▁in ▁his ▁father ' s ▁foot steps " ▁and ▁join ▁the ▁L AP D ▁in ▁ 1 9 8 1 . ▁He ▁rose ▁quickly , ▁becoming ▁a ▁detect ive ▁tra ine e ▁only ▁three ▁years ▁after ▁being ▁sw orn ▁in . ▁Before ▁being ▁chosen ▁to ▁work ▁in ▁the ▁Rob ber y - Hom ic ide ▁division ▁in ▁ 1 9 9 6 , ▁he ▁spent ▁over ▁ 9 ▁years ▁as ▁a ▁hom ic ide ▁investig ator ▁at ▁the ▁South ▁Bureau ▁and ▁Wil shire ▁Division . ▁He ▁served ▁as ▁the ▁primary ▁investig ator ▁( t aking ▁a ▁case ▁all ▁the ▁way ▁through ▁trial ) ▁on ▁at ▁least ▁ 1 3 5 ▁hom ic ide ▁cases , ▁and ▁assist ed ▁on ▁over ▁ 5 0 0 ▁more . ▁Not ew orth y ▁cases ▁investig ated ▁personally ▁by ▁Po ole ▁before ▁the ▁R amp art ▁sc andal ▁included ▁the ▁murder ▁of ▁actor , ▁activ ist ▁and ▁com ed ian ▁Bill ▁Cos by ' s ▁son ▁En nis . ▁He ▁also ▁was ▁one ▁of ▁the