Lawyers for the Baltimore police officers charged in the death of Freddie Gray filed a motion Friday calling for the case to be thrown out and/or State’s Attorney Marilyn J. Mosby to be removed or dismissed from it.

The motion filed in Baltimore City District Court cites multiple concerns, CNN reports, including potential bias and conflicts of interest, in arguing for the prosecutor to be taken off the case.

The filing alleges that Mosby has a personal relationship with potential witnesses and says that a lawyer for Gray’s family is a friend and attorney for Mosby, among other potential conflicts of interest. It says Mosby and her husband, City Councilman Nick Mosby, stand to benefit financially and professionally from the case.

Gray died on April 19 one week after being fatally injured during his arrest by six Baltimore police officers. His death sparked days of protests by demonstrators, along with pockets of violence and looting.

Mosby, the 35-year-old prosecutor who was elected Baltimore City State’s Attorney last November, announced on Friday the six would face charges including second degree murder and manslaughter.

[CNN]

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Write to Noah Rayman at noah.rayman@time.com.