pack journalism UK /ˈpæk ˈdʒəːn(ə)lɪz(ə)m/US /ˈpæk ˈdʒɝnl̩ˌɪzəm/ noun1 •A tendency of reporting to become homogeneous due to the reporters' habit of relying on one another for news tips, or being dependent on a single source for information.Problems of pack journalism [heading] […] I think the herd instinct expression is one that I would use, too. I frankly try deliberately to find out which way the herd is going and run the other way. — 1973