Charges have now been filed against four ex-Minneapolis police officers in the death of George Floyd. But Minnesota Attorney General Keith Ellison warns receiving convictions won’t be easy.

“Being complete and through is critically important, but it takes time,” said Ellison. “The reason thoroughness is important is because every single link in the prosecutorial chain needs to be strong. Trying this case will not be an easy thing. Winning a conviction will be hard.”

Ellison says it will be a while before the case goes to trial.

“This is going to take months,” said Ellison. “I don’t know how many but it is better to have a solid case, fully researched, before going to trial then to rush it.”

Ellison believes they can get a fair trial in Minnesota. Former Minneapolis police officer Derek Chauvin was charged with second-degree murder, without intent, while committing a felony in the case Wednesday. Authorities also charged ex-officers Thomas Lane, Tou Thao, and J Alexander Kueng with aiding and abetting to second-degree murder.