Ka cika wannan magana: A shekara ta 1896, an kafa Ofishin Binciken Laifuka na Ƙasa, wanda ya ba da bayanai ga hukumomi a duk faɗin ƙasar don gano masu laifi da aka sani. Ƙungiyar
1901 kisan gillar Shugaba William McKinley ya haifar da fahimtar cewa Amurka tana fuskantar barazana daga 'yan tawaye. Ma'aikatar Shari'a da Ma'aikatar Kwadago sun kasance suna adana bayanan 'yan tawaye tsawon shekaru, amma Shugaba Theodore Roosevelt yana son karin iko don sa ido a kansu.