that set sam apart from the other guys there. he seemed more responsible. >> sam was intent on earning his college degree, and that's how he met julie kibishi. julie helped sam with his school work. >> she got after him if he wasn't studying because his grade reflected her tutoring. so she took it seriously. >> julie's mom, june. >> she told me about sam. he's like a big teddy bear, always nice to everybody. that's why we get together at his place, you know, a lot of times. >> julie, who lived at home, got to know everyone at the complex. and rachel connected with julie. they were both dancers. >> we had like done some ballet moves in our bathing suits at the tool and talked about how we should take a couple of dance classes together. >> that chance never arrived. on friday, may 21st, 2010, julie was at home with her mom. >> i was cooking in the kitchen and she said bye, mom, i'm