An employee was identified as the gunman in a shooting at the MillerCoors building in Milwaukee, law enforcement officials told ABC News.

The Molson Coors Beverage Company is reopening its Milwaukee brewery campus on Monday with extra security measures nearly one week after five employees were gunned down.

Law enforcement sources have identified the employee of the Molson Coors Beverage Company who gunned down five co-workers at the company's Milwaukee Brewery campus.

Anthony Ferrill, 51, was identified as the shooter responsible for five killings on Wednesday.

Law enforcement identified 51-year-old Anthony Ferrill as an employee of the Molson Coors Beverage Company.

Anthony Ferrill, 51, was identified as the employee who gunned down five co-workers at the company's Milwaukee, Wis., brewery campus.

An ex-employee was identified as the gunman in a shooting at the MillerCoors building in Milwaukee, Wis., law enforcement officials told ABC News.