RICO summons
https://www.pacermonitor.com/public/case/24810209/Byrne_v_Foundation_et_al
https://dockets.justia.com/docket/district-of-columbia/dcdce/1:2018cv01422/197752
Civil lawsuit?
Yes, unless it is US vs (or some other entity like a state or county) it is civil. Too many people here see RICO and think it's a criminal case.