Now he's written a new book called While the City Slept about the three people whose lives intersected that ominous night.
Jennifer Hopper is now advocating for survivors, speaking about her ordeal in public forums, an act which she says helps heal the profound loss of the love of her life.
"I still have moments where I'm stopped dead in my tracks and I can barely breathe," said Hopper. "And there's something about just speaking out has just healed me."
Hopper says she's committed to keeping the memory of her beloved alive, so she and Teresa Butz's friends and family formed The Angel Band Project, a non-profit that uses the power of music to help the victims of sexual violence heal.
Hopper says the scars on her neck sometimes sting when she's singing, a reminder of how lucky she is to be alive.
Isaiah Kalebu has been convicted of aggravated murder and has been sentenced to life in prison without parole.