Greg Agnew was arraigned Friday afternoon at the Washtenaw County Court, charged with open murder in the death of his wife, Martha Agnew.

The 49-year-old was found dead by her daughter in her Ypsilanti Township home on February 17, 2018.

“She got into the home and found her mother deceased,” said Derrick Jackson, Director of Community Engagement with the Washtenaw County Sheriff’s Office. “Since that time we’ve really been trying to find out what’s actually been going on.”

From the beginning, deputies thought the death was questionable.

“It was suspicious,” Jackson said. “There was nothing clear. No blunt force trauma or anything like that.”

Agnew was arrested Thursday at his Ypsilanti home and is being held on a $500,000 cash bond.

“For us it’s all about finding the facts, what actually happened, trying to give closure to a very tragic situation, Jackson said. “This is not done by any stretch of the imagination. Obviously, this is just arraignment, so there is much more to go on.”

At the arraignment prosecutors also brought up a cold case Agnew is a prime suspect in; the 1993 disappearance of his girlfriend, Tammy Niver.

Tammy has not been seen since she went to visit Agnew on August 7, 1993.

The prosecution said because of Martha’s murder, Tammy’s case is now actively being reinvestigated.