According to Fox News:
The verdicts against Daniel Harris and Brandon Caserta were read in the federal court in Grand Rapids, Michigan. Jurors said they couldn’t agree on verdicts against Adam Fox and Barry Croft Jr. Prosecutors described Fox as a ringleader of an anti-government group.
Earlier in the day, the jurors said that there are several counts which the deliberative body were deadlocked on. Testimony began on March 9.
“It is not unusual to come back somewhere along the line of deliberations and say ‘we tried, but couldn’t get there,'” U.S. District Judge Robert Jonker said, according to Detroit News. “At least not on everything.”