All four men suspected of throwing rocks on cars driving on Interstate 985 last week have been arrested, according to Hall County Courthouse records. Kendrick Perry, 19, and Michael Ellis, 19, both of Gainesville, were arrested at the end of last week and charged with two counts of first-degree criminal damage, two counts of terroristic acts and one count each of loitering. Perry was listed on the Thursday Hall County Jail booking report and Ellis on the Friday report.