Erin Mulcahy Murder Husband Convicted of Murdering His Wife

Biological evidence and witness statements soon led them to her estranged husband Brent Williams, and Investigation Discovery’s ‘The Murder Tapes: Smokescreen’ delves into how the police were able to apprehend him and his criminal trial that followed.

Erin Mulcahy was born in Lima, Ohio, and graduated high school in 2000. She was a keen athlete during her schooling days and also an avid lover of animals and sitcoms such as ‘Friends’ or ‘Seinfeld.’

In April 2016, she married Brent Williams but by July 2017, their relationship had become estranged. On July 8th, 2017, a 911 call directed law enforcers to Erin’s apartment, where they found her naked in the bathtub under a running shower – thought to have been dead for some time.

There were no signs of forced entry, so at first, it seemed like foul play hadn’t been involved. However, an autopsy showed she’d been strangled and there were other signs of sexual assault which led to it becoming a homicide investigation.

Erin Mulcahy‘s Killer, Brent Williams

When investigating Erin Mulcahy’s death, authorities soon learned of her more than decade-long battle with alcoholism and her susceptibility to seizures. 

Although a toxicology report showed no presence of alcohol, low levels of diazepam – an anxiolytic – were detected. Furthermore, there had been reports of her threatening to take her own life, and she had even been taken to the local hospital on one such occasion.

Erin and Brent had seen each other intermittently for some time prior to her death but their relationship was deteriorating rapidly; Brent moved out of the apartment and initiated divorce proceedings.

When questioned by police, Brent admitted he’d gone back to the apartment on July 6th, 2017 but heard the shower running, so he assumed she was fine and left without making contact. 

He believed that Erin might have experienced a seizure, though he conceded he could not be certain or make any guarantees had he been present at the time.

Upon assessing Erin’s body in an autopsy, however, bruising both inside and outside her throat as well as traces of Brent’s sperm, led investigators to believe she’d most likely been strangled at the hands of her husband. 

During his trial, testimonies from people who knew both Erin and Brent socially took center stage; Chris Sexton said he met Erin through an online dating site and went over to her place, where they ended up having s*xual relations three days before her death.

Where Is Brent Williams?

Brent Williams waived his right to a jury trial and maintained his innocence throughout. 

However, the prosecutors presented expert testimony from a pathologist that contradicted the belief that Erin had been strangled – as they argued – and instead suspected her death was due to a seizure. 

But in June 2019, Brent was found guilty of murdering Erin and sentenced to 15 years to life behind bars at Allen-Oakwood Correctional Institution in Lima, Ohio. He will become eligible for parole in May 2034.

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