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 Parent finds virtual sex acts in app for kids Police searching for missing Virginia teen Bruce Johnson shares his #HeartLove story Hot car invention kid Constituents want to meet with Comstock Transplanting Hope Woman thanks firefighter for rescuing dog 5th grade student asks officer for homework help Some students sue for donation records Fire chief set to retire - again More Stories Two ejected, one killed in DUI crash near Dulles Airport Feb 21, 2017, 4:50 a.m. 5 displaced after apartment fire in NW, DC Feb 21, 2017, 6:05 a.m. Teen with leukemia meets stars at Grammys Feb 21, 2017, 5:23 a.m.