[2] She won the gold medal for the women's air pistol at the 2009 USA Shooting National Championships in Fort Benning, Georgia, and achieved a seventh-place finish in the same category at the 2010 Championships of the Americas (CAT Games) in Rio de Janeiro, Brazil.
[1][3] Shinn started out her sporting career at the age of seventeen, while learning shooting at the Orange County Sheriff’s Explorer program.
In 1982, Shinn placed eleventh for her category at the USA Shooting National Championships, and eventually joined the Orange County Sheriff's Department Pistol Team, where she shot for three years as a distinguished master.
[4] Following her son's birth, Shinn worked full-time as a lieutenant with the Riverside County Sheriff’s Department at Jurupa Valley Patrol Station.
[7] She finished only in thirty-seventh place by two points behind Japan's Michiko Fukushima from the final attempt, for a total score of 373 targets.