Mezue ahịrịokwu na-esonụ: N'April 1996, e kenyere ya ọrụ na Critical Incident Response Group dị ka onye agha na FBI Hostage Rescue Team. N'oge ahụ, o sonyere n'ọtụtụ ọrụ nnapụta dị nro, duziri nyocha nke iyi ọha egwu na mba ofesi na Ngalaba Na-ahụ Maka Ọchịchị, ma kenye ya ọrụ nyocha, nchebe, na nyocha nyocha mgbe
bọmbụ nke ụlọ ọrụ na Aden, Yemen, na bọmbụ nke ụlọ ọrụ nnọchite anya na Nairobi, Kenya. A buliri Snow n'ọkwa onye nlekọta pụrụ iche na ngalaba Counterintelligence nke Middle East na Jenụwarị 2001. Afọ abụọ ka e mesịrị, na Jenụwarị 2003, e kenyere ya ọrụ na Ngalaba Detroit, ebe ọ na-ahụ maka usoro ihe omimi nke mba ọzọ ma jee ozi dị ka onye nhazi usoro ihe omume SWAT. N'ọnwa Eprel 2005, a họpụtara Snow ka ọ bụrụ onye isi nke Ngwá Agha nke Mbibi na Nnweta nke US Nuclear & Missile Technology Unit na isi ụlọ ọrụ FBI Na Mee 2006, a họpụtara Snow ka ọ bụrụ onye enyemaka pụrụ iche na-ahụ maka San Jose Resident Agency nke San Francisco Division. Na ọrụ ahụ, o nwere ọrụ maka ịlụso iyi ọha egwu, cyber, mpụ ọcha na mpụ ime ihe ike; ndị otu San Jose nke Joint Terrorism Task Force; High-Value Computer Crimes Task Force; Silicon Valley Regional Computer Forensics Lab; na Monterey Bay Resident Agency. Ọ rụkwara ọrụ dị ka onye njikwa usoro ihe omume SWAT.