Sixteen Amish men and women face arraignment Thursday in federal court on charges involved in beard- and hair-cutting attacks against fellow Amish in Ohio.
An updated indictment filed last month added new allegations that the suspects tried to hide or destroy evidence, including a disposable camera, shears and a bag of hair from the victims.
The four women recently added to the case are also due to appear alongside the original 12 defendants in federal court in Cleveland on Thursday afternoon.
The dozen previous defendants have pleaded not guilty.
A feud over church discipline allegedly led to attacks in which the beards and hair of men and hair of women were cut, an act considered deeply offensive in Amish culture. The Amish believe the Bible instructs women to let their hair grow long and men to grow beards and stop shaving once they marry.
The updated indictment also charges alleged ringleader Sam Mullet Sr. with lying to federal agents during their investigation by denying knowledge of an October assault.