Season 3 opens with the BAU investigating a spree killer who targets brunette women at a small college in Flagstaff, Arizona only to find themselves doubting their skills as profilers when another body is found while the prime suspect is in custody.
Last season, they started showing both sides of the equation... It took some of the fun out of wondering who or what, but they made up for it with decent character interaction and development, and there were many last season.