Family of Vegas attorney, whose death was originally ruled suicide, believes husband killed her

Even in Las Vegas, a place where anything can happen, the story of attorney Susan Winters’ death is shocking.

Originally ruled a suicide, authorities have now re-opened the case as a murder investigation after seeing evidence that makes them suspect her husband was possibly involved.

Early on Jan. 3, 2015, the 48-year-old part-time judge and mother of two was rushed to the hospital from her suburban Las Vegas home after ingesting lethal combination of oxycodone and antifreeze. She died later that day.

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The Clark County coroner’s office concluded after an autopsy that Winters died of a combination of ethylene glycol poisoning and oxycodone intoxication. Ethylene glycol is the main ingredient in antifreeze.

Her husband Gregory “Brent” Dennis, a 54-year-old psychologist, was arrested in early February and charged with murder in connection to her death.

The Winters family does not believe Winters killed herself, but instead they suspect Dennis is responsible for her death. They hired a retired FBI agent to investigate him, along with attorney Tony Sgro, who filed a civil suit against Dennis on the Winters’ family’s behalf before Las Vegas authorities re-opened the case as a criminal investigation.

“Everything that we learned seemed to point towards foul play,” Sgro said. “Nothing we learned tended to point toward Susan taking her own life.”

During his deposition for the civil case, Dennis said he couldn’t save Winters from her demons, and that she “was agitated and making threats to hurt herself” the day before she died.

But her family in Oklahoma is convinced there is something suspicious about Dennis’ story.

“When mom said, ‘Susan’s dead,’ I said, ‘What did he do to her?’” her brother Chris Winters told ABC News.

Srgo complied a nearly 50-page investigative report, citing potential evidence against Dennis, including an alleged substance abuse addiction…

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