Shoe Print Evidence: Watch Where You Walk / officer.com, 25 August 2008
http://www.officer.com/web/online/Investigation/Shoe-Print-Evidence/18$42869
"... today there are over one hundred manufacturers of athletic shoes for both men and women. Each shoe with a distinctive pattern to their sole and the name of the brand in most cases stamped into the bottom of the shoe. Thus, a shoe print has become a much more vital piece of circumstantial evidence that can help place a perpetrator at the scene of the crime and possibly eliminate other persons of interest from consideration."