Janitor arrested in connection to murder at Florence business Thermo Fisher Scientific

FLORENCE, Ky. - A man has been arrested and charged with murder after he allegedly killed a woman at the place of business he was a janitor for.

Michelle Mockbee, 42, of Fort Mitchell, was found murdered on May 29, 2012 near the office area of Thermo Fisher Scientific, located at 7383 Empire Drive in Florence. Officials did not find a weapon at the scene and more than a dozen investigators worked on the case in the past four months since the incident.

The Boone County Sheriff's Office announced Thursday that they have arrested David Dooley, 38, of Burlington, and charged him with murder and tampering with physical evidence in connection to Mockbee's death.

Dooley provided janitorial services at Thermo Fisher Scientific.

Mockbee's family said Mockbee talked a lot at work with Dooley's wife and what the family said "you could call friends."

"They talked at work quite a bit, so as to why this happened, we have no idea, we may get those answers some day or we may not, but as long as he's here, and behind bars that's what's important," said Jennifer Schneider-Ernst, Mockbee's sister.

Dooley's bond was set at $500,000. That bond was upheld at Dooley's arraignment Friday morning. Dooley's next court date is scheduled for Oct. 4.

Dooley has had run-ins with the law in the past that dates back as far as 1994.

Dooley was sentenced to prison in 1994 for burglary and theft by deception in Campbell County. Dooley was paroled one year later, but was back behind bars in 1996 for receiving stolen property and possession of a handgun. He was paroled again in 1999.

No further information surrounding the arrest has been released.

Mockbee was a mother of two and an employee of Thermo Fisher Scientific for 16 years. The company is a distribution center of laboratory equipment.

"We miss her, we miss her very much," said Schneider-Ernst.

The Boone County Sheriff's Office says employees, both locally and corporate, have cooperated fully with the investigation.

Stat with 9 News and WCPO.com for the latest information on this arrest.

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