...Following the first serious challenge to the absolute insurer rule, which assigns liability without fault to the Thoroughbred trainer of record for a positive drug test, jurisprudence split along two lines. This chapter challenges the constitutionality and purpose of this rule, especially when...

... intermingling with the racetracks' and Thoroughbred racing committees' anti-doping efforts. Hialeah Park in Florida, where 443 saliva tests were administered during the 1937-38 racing season, marks the birthplace of the modern era of drug testing and an early version of the "absolute insurer rule" that remains...