On Friday, July 11, 2025, at 9:01 p.m. Edt, 20/20 revisits a baffling and brutal case in the two-hour encore presentation of A Killer Renovation. Co-anchor Deborah Roberts leads the investigation into the murder of Shanti Cooper-Tronnes, a respected businesswoman and mother whose death sent shockwaves through her Orlando community. What began as a suspected robbery quickly unraveled into something far more disturbing.
Shanti was found dead in the home she shared with her husband, David Tronnes. At first, attention focused on her missing $15,000 diamond ring. But when investigators couldn’t find signs of forced entry, their focus shifted to a home renovation project that the couple had undertaken—one set to be featured on the A&e series Zombie House Flipping. What police uncovered next raised questions about motive, deception, and a hidden life that may have contributed to Shanti’s tragic end.
The episode includes powerful exclusive interviews with Shanti’s son,...
Shanti was found dead in the home she shared with her husband, David Tronnes. At first, attention focused on her missing $15,000 diamond ring. But when investigators couldn’t find signs of forced entry, their focus shifted to a home renovation project that the couple had undertaken—one set to be featured on the A&e series Zombie House Flipping. What police uncovered next raised questions about motive, deception, and a hidden life that may have contributed to Shanti’s tragic end.
The episode includes powerful exclusive interviews with Shanti’s son,...
- 10.7.2025
- von Jules Byrd
- TV Everyday
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