IT'S been a year from hell for top Mildura cop Rebecca Olsen.

Just months after being diagnosed with breast cancer, her younger sister Louise died from the same disease.

But the 50 year-old mother of three, who rose through the police ranks to become Western Region Mallee Superintendent, is up for the fight of her life.

"You never think it is going to happen to you, I still feel like the last y...