SOMETIMES, A WOMAN'S GOT TO GET DIRTY TO GET THINGS CLEAN… Leaving the glamorous Boca Raton lifestyle behind wasn't easy for Boca-born Harriet Horowitz. But when she'd asked her physically abusive husband to make her day — he'd agreed (in front of 500 people) — and Harriet became single (a widow). Though it had been a clear-cut case of self-defense, she lost everything…yet wound up finding more. Her crash from the heights of society led her to a home in the desolate, haunting Everglades, a job as a private investigator and a new identity as tough cookie Dirty Harriet. It was a new world for Harriet. Until a murder case involving vulnerable migrant women brought her back to Boca Raton and forced her to face a past she'd thought she'd left in the dust.…