"Who Is This Monster?" She went undercover to catch a rapist. Two decades later, she finally got her chance.

Brady's detectives soon came across old police reports from the 1970s and 1980s that showed the attacks on the three women had been part of a notorious rape spree that included a number of adjacent neighborhoods. Inside the SVU office, Brady asked Grant to look for any unsolved cases starting since 1977 within the identified neighborhoods, what the team called the rapist's "hunting ground." The sense of wasted opportunity, Brady said, had only deepened over the years as DNA technology revolutionized crime fighting and gave rape squads a powerful tool for using aging evidence to make new cases. Eighteen were suspected serial rapists, charged with committing at least one additional felony rape or sex offense after their DNA from the cold-case rape was collected but before it was tested. [Extracted from the article]

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