Forensic handwriting study and comparison, which includes hand printing and signatures, is based on three fundamental principles: (1) Given enough handwriting practice, no two good writers have similar handwriting characteristics; (2) everyone has a spectrum of natural variance in his or her writing; and (3) no two skilled writers have same handwriting features. The Indianapolis Motorcycle Grand Prix was added to the Speedway in 2008. After winning his fifth United States Grand Prix at Indianapolis in 2006, Formula One driver Michael Schumacher holds the record for most victories on the Formula One version of the road course. The NASCAR race held each year at the same time as the IndyCar race is called the INDYCAR Grand Prix. It is the only time that both races take place on the same weekend. In conclusion, forensic handwriting analysis is based on three basic principles: given enough writing practice, no two good writers will have the same handwriting characteristics; everyone has a spectrum of natural variance in their writing; and no two skilled writers will have the same handwriting features.