British-born Hannah Graham was a student at the prestigious University of Virginia in Charlottesville.
Hannah Graham: Multi-talented
Hannah Graham, 18, was described as vivacious, athletic and talented.
Hannah Graham: Last Seen
Hannah Graham went missing from downtown Charlottesville, Virginia, on Sept. 13, 2014.
Morgan Harrington, 20, a student at Virginia Tech, was known for her artistic, energetic and fun-loving personality.
Morgan Harrington: Music Fan
On Oct. 17, 2009, after attending a concert at an arena on the University of Virginia campus, Morgan Harrington went missing.
Morgan Harrington: Last Seen
Morgan Harrington was last seen on Copley Bridge alone, on foot and possibly injured.
Alexis Murphy, 17, loved dancing and making people laugh.
Alexis Murphy: Rising H.S. Senior
On Aug. 3, 2013, Alexis Murphy drove from her central Virginia home to run an errand.
Alexis Murphy: Last Seen
Alexis Murphy was last seen on surveillance footage at a gas station in Lovingston, Va.
Jesse Matthew: College Athlete
Jesse Matthew attended Liberty University where he played football.
Jesse Matthew: Known in Charlottesville
After college, Jesse Matthew lived and worked in the Charlottesville, Va., area.
Jesse Matthew: Last Seen
Jesse Matthew, 32, is believed to be the last person seen with missing UVA student Hannah Graham.
On Oct. 2, 2015, Matthew was sentenced and received the maximum of three life sentences for the attempted capital murder and sexual assault of a woman in Fairfax, Va., in 2005.
United in Tragedy
The relatives of Hannah Graham, Alexis Murphy and Morgan Harrington stand united in saving the next girl.