Dhameystir weedha soo socota: Mangano wuxuu dhigan jiray Dugsiga Sare ee Tababarka Gacanta, New York Prep, iyo Kuliyadda St. John. Wuxuu xubin ka ahaa ururka Phi Sigma Chi iyo naadiga asxaabta. Markii hore wuxuu ka shaqeeyay xafiiska aabaha. Sanadkii 1934, waxaa loo doortay Golaha Gobolka New York isagoo Dimuqraadi ah, isagoo matalaya Degmada 8aad ee Degmada Kings. Wuxuu ka soo shaqeeyay Golaha sannadihii 1935, 1936, iyo 1937. Waxa uu ahaa ergey ku xigeenkii Shirweynihii Qaranka Dimuqraadiga ee 1936, wuxuuna u adeegi jiray ergeyga Shirweynihii Qaranka ee 1940,
Shirweynihii Qaranka ee Xisbiga Dimuqraadiga ee sannadihii 1956, 1960, iyo 1964. Sanadkii 1937, waxaa loo doortay Sheriff-ka Degmada Kings. Wuxuu ka soo shaqeeyay Sheriff laga soo bilaabo 1938 ilaa 1941. Sanadkii 1941, waxaa loo doortay xubin ka mid ah Guddiga Dimuqraadiga ee Gobolka New York. Sanadkii 1942, jagadii Sheriff-ka ee Degmada Kings ayaa la tirtiray waxaana lagu beddelay hal sheriff oo magaalada oo dhan ah, isaga oo ka dhigay Sheriff-kii ugu dambeeyay ee Degmada Kings.