Host Ed Goldberg speaks with writer Alistair Burke about her third white-knuckle thriller "212." NYPD Detective Ellie Hatcher and her partner, J.J. Rogan are investigating the murder of NYU student Megan Gunther, who's the target of threatening posts on a college gossip Web site. The death of bodyguard Robert Robo Mancini, whose bullet-ridden corpse turns up in a swanky new building, the 212, built by Sam Sparks, the high-powered Manhattan real-estate developer Robo worked for, ups the ante. When Sam makes it clear that the police won't have access to any company records, Ellie's interest is piqued. As she and J.J.