Whakaotihia te rerenga e whai ake nei: I te Paenga-whāwhā 1996, i tohaina ia ki te Rōpū Whakautu i te Takahanga Nui hei kaihauturu i roto i te Rōpū Whakaora Hostage a te FBI. I taua wā, i whai wāhi ia ki ētahi misioni whakahokinga māmā, i whakahaere i ngā aromatawai whakawehi ki tāwāhi me te Tari Kawanatanga, ā, i whakaritea ki ngā misioni aromatawai, tiaki, me te tautoko rangahau i muri i te
Ko te whakaeke i te Aden, Yemen, me te whakaeke i te whare karere i Nairobi, Kenya. I whakatairangahia a Snow hei kaituku motuhake tirotiro i te Wahanga o te Rangahau o te Rangahau o te Middle East Unit i te Hanuere 2001. E rua tau i muri mai, i te marama o Hanuere 2003, i tukuna ia ki te Tari o Detroit, i reira ia i tirotiro ai i te kaupapa tirotiro-a-iwi o tawahi me te mahi hei kaiwhakahaere kaupapa SWAT. I te Paenga-whāwhā 2005, i tohua a Snow hei rangatira mo nga patu whakangaromanga nui me te whiwhinga o te U.S. Nuclear & Missile Technology Unit i te tari matua o te FBI I te Mei 2006, i tohua a Snow hei kaiawhina mo te kaihoko motuhake e whakahaere ana i te Tari o San Francisco o San Jose. I roto i taua tūranga, ko ia te kawenga whakahaere mo te whakahee-whakawehe, te ipurangi, te hara ma-kara, me nga roopu hara tutu; nga mema o San Jose o te Joint Terrorism Task Force; te High-Value Computer Crimes Task Force; te Silicon Valley Regional Computer Forensics Lab; me te Monterey Bay Resident Agency. I mahi hoki ia hei kaiwhakahaere hōtaka SWAT.