Timeline: Before he killed Sonya Massey, residents and law enforcement had flagged these concerns about Deputy Sean Grayson

By the time a sheriff’s deputy gunned down a 36-year-old mother in her home, fellow law enforcement officers and residents in the Illinois communities he served had already raised concerns about him.

The deputy is now charged with murder in the death of the mother. She joined a list of Black women killed in their own homes by law enforcement, sparking scrutiny of their deadly use of force.

More details are emerging about the deputy’s alleged misconduct prior to the incident. An attorney representing the deputy declined to comment for this story.

Here’s a timeline of some of the deputy’s issues with the law, the military, and his work in policing spanning several agencies in a short period of time.