Not doubt they'll now create a new one, portraying the suspect as a troubled black teen who identified as a white guy and a member of the "Poor Boys".
Saw the picture of the killer on another thread. NOT Amish.
Used his car to ram the cops, then emerged with the large knife. London comes to mind. I think the same method was used at the Christmas markets in Europe a year or two ago.
The police and FBI are going to do their best to drop this whole thing down the memory hole.