Watch: Police update on attempted murder-suicide that left 1 dead, 3 hurt in Macomb County

NEW BALTIMORE, Mich. – Police provided an update Monday afternoon on the attempted murder-suicide that left one person dead and three others injured last week in Macomb County.

You can watch the full briefing in the video above.

Arthur Levan Williamson, 55, is accused of murdering a WWJ radio anchor and hurting three others in an attempted murder-suicide in Macomb County.

Officials said Williamson used a hammer to kill Jim Nicolai, a 57-year-old WWJ radio anchor who went by the name Jim Matthews while working on the overnight news.

The attack happened around noon Friday (Sept. 23) at Nicolai’s home in the 33000 block of Bayview Drive, in the area of Jefferson Avenue and Hooker Road in Chesterfield Township.

Nicolai’s 35-year-old girlfriend and their two children -- a 10-year-old son and a 5-year-old daughter -- were also injured, according to authorities.

Williamson was arraigned Monday afternoon at 42-2 District Court in New Baltimore and denied bond.