K9 Canto served as a member of the Contraband Interdiction Program from September, 1991, through September, 1999. Trooper Michael R. Van Leer handled K9 Canto and both were assigned to the Florida Turnpike, in Palm Beach County, Florida. K9 Canto was presented awards by the United States Police K9 Association for National Drug Detector Dog of the year in 1992, 1993, 1994, 1995, 1996, 1997, and 1998 and when he retired in 1999. He was also awarded the Regional Detector Dog of the quarter by the United States Police Canine Association in 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 and in 1999. The Drug Enforcement Administration, the Alcohol Tobacco and Firearms and the United States Customs Service also awarded commendations of Service to K9 Canto.

During K9 Canto's career he was responsible for seizing a total of $1,292,168 in US Currency, and $1,419,491 in illegal drugs and property. K9 Canto passed away in 2000.