Close A look back at the Lyon sisters' disappearance The Lyon sisters went missing in March of 1975. 9 News sat down with their parents. WUSA 9:24 PM. EST February 10, 2014 JOIN THE CONVERSATION To find out more about Facebook commenting please read the Conversation Guidelines and FAQs Leave a Comment TRENDING VIDEOS Mexico resort drowning death a mystery for Wisconsin family Younger firefighters serve their community Saturday morning weather webcast New threat to Floridians: flatworms Family claims Colonial Williamburg discriminated against son, files lawsuit Family in shock after the murder of 17-year-old son in Laurel Dumfries pastor detained for deportation #OffScriptOn9: WUSA9's Glenn Brenner lost battle to same cancer as Sen. McCain Dispatch: Boyfriend 1,000 miles away alerts police to Va. murder-suicide Daughter kills mother then herself in Va. More Stories Washingtonians remember Jim Vance, longtime NBC4 anchor Jul 22, 2017, 11:31 p.m. Scattered strong storms again on Sunday afternoon Feb 18, 2016, 10:28 a.m. WUSA9 remembers Jim Vance Jul 22, 2017, 4:01 p.m.