"20/20" REPORTS THE LATEST ON THE DUNWOODY DAY CARE TRIAL, FRIDAY, JULY 26 ON ABC

Andrea Sneiderman claims she's a grieving wife whose obsessed boss loved her enough to kill her husband, Rusty Sneiderman. But Sneiderman's family has long insisted that she was the master manipulator behind the murder plot. This week "20/20" covers stunning developments in the case, known as the Dunwoody Day Care trial, which has captured national attention. "20/20" airs FRIDAY, JULY 26 (10:01-11:00 p.m., ET) on the ABC Television Network.

The shooting of Andrea's husband, Rusty Sneiderman, in front of the Dunwoody Daycare Center rocked the community of the upscale Atlanta suburb to its core. Police believe that Andrea began having an affair with her boss, Hemy Neuman, and that he killed her husband out of jealousy. Andrea maintains that she and Rusty were very happily married and that her boss was obsessed with her and made up the story of their relationship. But through documents obtained in her divorce filings, Hemy Neuman's ex-wife, Ariela discovered e-mail correspondence that she says confirmed her suspicions of the affair. Hemy was convicted, and prosecutors subsequently charged Andrea with murder. But will the charges hold up? A pretrial hearing on Friday could provide yet another dramatic twist in the case. Elizabeth Vargas updates the original report from March 6, 2012 with up-to-the-minute news.

"20/20" is anchored by Elizabeth Vargas and David Muir. David Sloan is senior executive producer and John Green is executive producer.