In season two, San Francisco police academy graduate Kris Munroe takes the place of her older sister, Jill, in the trio; in the fourth season, Tiffany Welles, a Boston police academy graduate, takes Sabrina's place; and in the fifth and final season, upon Tiffany's departure, Julie Rogers, a former New York model fills the void when she is granted a temporary private detective license.
In season two, San Francisco police academy graduate Kris Munroe takes the place of her older sister, Jill, in the trio; in the fourth season, Tiffany Welles, a Boston police academy graduate, takes Sabrina's place; and in the fifth and final season, upon Tiffany's departure, Julie Rogers, a former New York model fills the void when she is granted a temporary private detective license.