. >> reporter: zoe spears never made it to 30. she was 23 when she was killed this past june. >> this is our memorial. to zoe and ashanty. they lost their lives this year. >> reporter: ruby takes pictures of all the girls like zoe, who call this place home for a very poignant reason. >> i want to have the closest reminder, because i know there's the possibility that they won't come back. >> reporter: that's just heartbreaking. >> reporter: here on the outskirts of dc, on a street known for survival sex work, is where zoe took her last breath. >> she was shot on her back. >> you can't run away from guns and hate when they live in your community. >> reporter: ruby has lost more than 30 of her girls in the past seven years. but the hurt stings just as much every time. >> i couldn't be here. i've been in her life for a long time. i've been her protector and i couldn't save her. >> at the end of the day what killed zoe spears. society killed zoe. she had a lot of dreams and every door that she knocked very often they will say no. >> rep