The 20-year-old woman pleaded guilty to smuggling wildlife into the US without first declaring and invoicing it, and fleeing an immigration checkpoint, after a monthslong investigation, according to a news release from US Immigration and Customs Enforcement.She attempted to enter the US from Mexico through the Gateway International Bridge in Brownsville, Texas, on March 21, the release stated.Later that day, officers discovered online sales listings for the spider monkey with the woman’s phone number, according to the release.“HSI takes every opportunity to join our federal, private sector and international partners to share our knowledge, experience and investigative techniques designed to protect and preserve threatened and endangered species.”There are seven species of spider monkeys found across Central and South America, according to the World Wildlife Fund.Officials did not specify to which species the recovered spider monkey belonged."