He is the son of the late Sergeant of Arms Howard S. Liebengood, who died in 2005 Officer Who Defended Capitol During Riots Dies of Apparent Suicide https://www.thedailybeast.com/howard-liebengood-officer-who-defended-capitol-at-dc-riots-dies-by-apparent-suicide-reports-say I decided to search the FBI Vault https://vault.fbi.gov/ All seem to be connected to insurrection WW2 and Kent State. More eyes would help. some links... https://www.thedailybeast.com/howard-liebengood-officer-who-defended-capitol-at-dc-riots-dies-by-apparent-suicide-reports-say https://www.legacy.com/obituaries/washingtonpost/obituary.aspx?n=howard-s-liebengood&pid=3045150 https://vault.fbi.gov/anti-war-movement https://vault.fbi.gov/world-war-ii https://vault.fbi.gov/howard-baker/howard-baker-part-01-of-03/view https://vault.fbi.gov/